mosaic
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Español FR Francés DE Alemán RU Ruso ZH Chino JA Japonés
All Vocabulary Cards All Vocabularies
C1 noun /moʊˈzeɪɪk/

mosaic

mosaico
Meaning
A picture or pattern produced by arranging together small pieces of stone, tile, or glass.
Example
The church ceiling was decorated with a beautiful mosaic.
El techo de la iglesia estaba decorado con un hermoso mosaico.
C1 verb /ˈmɪŋɡl/

mingle

mezclarse
Meaning
to mix or combine; to move among people and engage socially
Example
Guests mingled at the party, chatting and laughing together.
Los invitados minglaban en la fiesta, charlando y riendo juntos.
C1 adjective /ˈmɜːki/

murky

turbio
Meaning
Dark, gloomy, and difficult to see through; obscure.
Example
We avoided swimming in the murky river.
Evitamos nadar en el río turbio.
C1 noun ˌmɪs.kənˈsɛp.ʃən

misconception

idea equivocada
Meaning
A wrong idea or false understanding about something.
Example
There is a common misconception that success happens overnight.
Hay una idea errónea común de que el éxito ocurre de la noche a la mañana.
C1 noun /məˈnɒɡəmi/

monogamy

monogamia
Meaning
The practice of being married to or in a relationship with only one person at a time.
Example
Many cultures encourage monogamy as the ideal form of marriage.
Muchas culturas fomentan la monogamia como la forma ideal de matrimonio.
C1 noun /ˌmɪsˈtrʌst/

Mistrust

desconfianza
Meaning
Lack of trust; suspicion or doubt about someone or something
Example
There was deep mistrust between the two political parties.
Hubo una profunda desconfianza entre los dos partidos políticos.
C1 adjective /ˌmɒnəˈlɪθɪk/

monolithic

monolítico
Meaning
Massive, uniform, and indivisible; resembling a large single stone or structure.
Example
The company maintained a monolithic structure resistant to change.
La compañía mantuvo una estructura monolítica resistente al cambio.
C1 adjective /ˈmɜː.sɪ.fəl/

Merciful

misericordioso; compasivo
Meaning
showing compassion or forgiveness; kind and forgiving
Example
The merciful judge gave him a lighter sentence.
El juez misericordioso le dio una sentencia más leve.
C1 noun/adjective /ˈmɒnəkrəʊm/

monochrome

monocromo
Meaning
A photograph, painting, or screen image in black and white or varying tones of one color.
Example
The old film was shot entirely in monochrome.
La película antigua fue rodada enteramente en monocromo.
C1 adjective /ˌmɪsəˈleɪniəs/

Miscellaneous

misceláneo; diverso; mezclado
Meaning
various; diverse; mixed; assorted
Example
The box contained miscellaneous items from different periods.
La caja contenía artículos diversos de diferentes períodos.
C1 noun /ˈmælədi/

Malady

enfermedad; malestar; dolencia
Meaning
A disease or ailment; a serious problem
Example
The doctor diagnosed a rare malady that affected her nervous system.
El doctor diagnosticó una enfermedad rara que afectó su sistema nervioso.
C1 adjective /ˈmɔːrn.fəl/

mournful

triste
Meaning
feeling, expressing, or causing sadness or grief
Example
The mournful song reminded her of lost loved ones.
La triste canción le recordó a sus seres queridos perdidos.
C1 adjective /ˈmærɪtəl/

marital

conyugal
Meaning
Relating to marriage or the relationship between husband and wife.
Example
They sought counseling to resolve their marital issues.
Buscaron asesoramiento para resolver sus problemas conyugales.
C1 verb /ˈmɛzməˌraɪz/

mesmerize

hipnotizar
Meaning
To capture complete attention; to hypnotize or fascinate.
Example
The dancer's graceful movements mesmerized the audience.
Los movimientos gráciles de la bailarina hipnotizaron a la audiencia.
C1 adjective /moʊv/

mauve

morado claro
Meaning
a pale purple color with a grayish or bluish tinge
Example
She wore a beautiful mauve dress to the party.
Ella llevaba un hermoso vestido morado claro en la fiesta.
C1 adjective /ˈmeʒ.ər.ə.bəl/

Measurable

medible; cuantificable
Meaning
able to be measured; quantifiable
Example
The project's success was measurable by increased sales.
El éxito del proyecto fue medible por el aumento de ventas.
C1 noun /ˈmætrəˌmoʊni/

matrimony

matrimonio
Meaning
The state of being married; marriage.
Example
They entered into matrimony after years of friendship.
Entraron en el matrimonio después de años de amistad.
C1 noun /mɜːrθ/

mirth

alegría
Meaning
Great joy, amusement, or laughter.
Example
The festival was full of mirth and laughter.
El festival estaba lleno de alegría y risas.
C1 noun /ˌmjuːnɪsɪˈpæləti/

municipality

municipalidad
Meaning
a city or town that has its own local government
Example
The municipality is planning to build a new library.
La municipalidad está planeando construir una nueva biblioteca.
C1 adjective /ˌmel.ənˈkɒl.ɪk/

Melancholic

triste y pensativo; que expresa o siente tristeza
Meaning
sad and thoughtful; feeling or expressing sadness
Example
The melancholic music made everyone feel sad.
La música melancólica hizo que todos se sintieran tristes.
C1 noun /meɪl treɪn/

Mail train

tren correo
Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
El tren postal sale todas las tardes para entregar cartas a través del país.
C1 noun /mɪkst ɪˈkɒn.ə.mi/

mixed economy

economía mixta
Meaning
An economic system where both government and private sector operate together.
Example
Most countries today follow a mixed economy model.
Hoy en día, la mayoría de los países siguen un modelo de economía mixta.
C1 adjective /ˈmæn.əd/

mannered

afectado / artificial
Meaning
Having or showing a particular manner, especially an artificial or affected one.
Example
The actor’s performance was too mannered to feel natural.
La actuación del actor fue demasiado afectada para sentirse natural.
C1 adjective /mʌnˈdeɪn/

mundane

mundano
Meaning
lacking interest or excitement; dull and ordinary
Example
She tried to escape her mundane routine by traveling.
Ella intentó escapar de su rutina mundana viajando.
C1 adjective /miːk/

Meek

suave y sumiso; humilde; paciente
Meaning
gentle and submissive; humble; patient
Example
Despite his power, he remained meek and humble.
A pesar de su poder, se mantuvo manso y humilde.
C1 noun ˈmetəl kənˌtæməˈneɪʃən

metal contamination

contaminación por metales
Meaning
The presence of toxic metals in the environment that pose health and environmental risks.
Example
Metal contamination poses severe health risks.
La contaminación por metales representa graves riesgos para la salud.
C1 noun /ˈmɛdli/

medley

mezcla
Meaning
A mixture of different things, especially musical tunes combined together.
Example
The band played a medley of popular songs.
La banda tocó una mezcla de canciones populares.
C1 adjective /məˈroʊs/

morose

melancólico
Meaning
sullen, gloomy, or ill-tempered
Example
He became morose after losing his job.
Se volvió melancólico después de perder su trabajo.
C1 noun ˌmek.ə.naɪˈzeɪ.ʃən

mechanization

mecanización
Meaning
The process of introducing machines or replacing manual labor with machines.
Example
Mechanization has revolutionized agriculture.
La mecanización ha revolucionado la agricultura.
C1 adjective /ˈmæliəbl̩/

malleable

fácil de moldear
Meaning
Easily shaped or influenced; capable of being bent or adapted.
Example
Gold is a highly malleable metal used in jewelry.
El oro es un metal muy maleable utilizado en joyería.
C1 noun /moʊl/

Mole

topo
Meaning
a small burrowing mammal with tiny eyes and soft fur
Example
The mole dug tunnels under the garden.
El topo excavó túneles bajo el jardín.
C1 adverb /ˈmiːk.li/

Meekly

de manera sumisa; humildemente
Meaning
in a quiet, gentle way; without resistance or protest
Example
He meekly accepted the criticism without arguing.
Él aceptó la crítica humildemente sin discutir.
C1 noun /məˈræŋ/

meringue

merengue (cobertura para postres)
Meaning
A light dessert topping made from whipped egg whites and sugar.
Example
She decorated the pie with a fluffy meringue topping.
Ella decoró la tarta con una capa de merengue esponjoso.
C1 noun /ˈmʌltɪplaɪər/

multiplier

multiplicador
Meaning
a number or factor by which another number is multiplied; something that increases the effect or value of something else
Example
In economics, government spending can act as a multiplier for economic growth.
En economía, el gasto público puede ser un multiplicador del crecimiento.
C1 noun /ˈmɛm.wɑːr/

memoir

memoria
Meaning
A historical account or autobiography written from personal experience.
Example
The author’s memoir details her journey through hardship and success.
La memoria de la autora detalla su viaje a través de dificultades y éxitos.
C1 noun /ˈmæk.ər.əl/

Mackerel

caballa
Meaning
a streamlined marine fish with a forked tail and wavy stripes
Example
Mackerel is rich in omega-3 fatty acids.
La caballa es rica en ácidos grasos omega-3.
C1 noun nɪˈmɒnɪks

mnemonics

técnica de memoria, ayudas mnemotécnicas
Meaning
A technique to aid memory; a device such as a pattern of letters, ideas, or associations
Example
Mnemonics help in remembering complex concepts easily.
Los mnemónicos ayudan a recordar conceptos complejos fácilmente.
C1 adjective /maɪˈkroʊ.bi.əl/

microbial

microbiano
Meaning
Related to bacteria, fungi, and other microscopic organisms.
Example
Microbial activity in the soil improves fertility.
La actividad microbiana en el suelo mejora la fertilidad.
C1 adjective /ˈmel.əʊ/

Mellow

suave y agradable; relajado y gentil
Meaning
soft and pleasant; relaxed and gentle
Example
The mellow evening light created a peaceful atmosphere.
La suave luz de la tarde creó una atmósfera tranquila.
C1 adverb /ˈmɪdweɪ/

Midway

a mitad de camino; en el medio
Meaning
halfway; at or to the middle point
Example
The project is midway through completion.
El proyecto está a medio camino de su finalización.
C1 noun /ˈmjuːtɪni/

mutiny

motín
Meaning
an open rebellion against authority, especially by soldiers or sailors
Example
The sailors staged a mutiny against their captain.
Los marineros organizaron un motín contra su capitán.
C1 noun ˌmɛməraɪˈzeɪʃən

memorization

memorización
Meaning
The process of learning or committing something to memory
Example
Memorization of important information is crucial for exams.
La memorización de información importante es crucial para los exámenes.
C1 noun /məˈmɛn.toʊ/

memento

recuerdo
Meaning
An object kept as a reminder of a person, place, or event.
Example
She kept the ticket as a memento of their first concert together.
Ella guardó el boleto como un recuerdo de su primer concierto juntos.
C1 noun /meər/

Mare

yegua
Meaning
an adult female horse
Example
The beautiful mare galloped across the meadow.
La hermosa yegua galopó por el prado.
C1 noun /maɪm/

Mime

mimo; actor de mimo
Meaning
A performer who acts without words, using only gestures and body movements
Example
The street mime entertained the crowd with his invisible box routine.
El mimo callejero entretuvo a la multitud con su rutina de caja invisible.
C1 noun /mɪsˈɡɪvɪŋz/

misgivings

dudas, recelos
Meaning
feelings of doubt or concern about the outcome or propriety of something
Example
She had serious misgivings about signing the contract.
Ella tenía serias dudas sobre firmar el contrato.
C1 noun /ˈmiːdieɪtər/

Mediator

mediador
Meaning
A person who attempts to make people involved in a conflict agree
Example
The United Nations often acts as a mediator in international disputes.
Las Naciones Unidas a menudo actúan como mediador en disputas internacionales.
C1 verb /ˈmæɡnɪfaɪ/

magnify

magnificar
Meaning
to make something appear larger; to increase the importance or effect of something
Example
The microscope can magnify tiny objects for better observation.
El microscopio puede magnificar objetos pequeños para mejor observación.
C1 noun /ˈmaʊθ.fʊl/

mouthful

bocado
Meaning
the amount of food or drink that fills the mouth, or a long and difficult word or phrase
Example
He took a big mouthful of water after the run.
Él tomó un gran bocado de agua después de la carrera.
C1 adjective /ˈmoʊmənˌteri/

momentary

momentáneo
Meaning
Lasting for only a short time.
Example
There was a momentary silence in the room.
Hubo un silencio momentáneo en la habitación.
C1 noun /ˈmæroʊ/

Marrow

médula ósea
Meaning
A soft fatty substance in the cavities of bones; the essence of something
Example
The bone marrow produces blood cells in the human body.
La médula ósea produce células sanguíneas en el cuerpo humano.
C1 noun/verb mælˈfʌŋk.ʃən

malfunction

fallo
Meaning
A failure to function normally or satisfactorily; a defect or breakdown.
Example
The engine malfunctioned due to overheating.
El motor falló debido al sobrecalentamiento.
C1 noun /məˈleɪz/

malaise

malestar
Meaning
a general feeling of discomfort, illness, or unease whose exact cause is difficult to identify
Example
After the long journey, she felt a general malaise.
Después del largo viaje, ella sintió un malestar general.
C1 adjective /ˈmʌðərli/

Motherly

maternal
Meaning
having qualities characteristic of a mother; caring and protective
Example
She showed motherly care and affection towards all the children.
Ella mostró cuidado y afecto maternal hacia todos los niños.
C1 verb (past) /ˈmɛrɪtɪd/

merited

merecido
Meaning
Deserved or earned something.
Example
Her dedication merited recognition from the community.
Su dedicación mereció el reconocimiento de la comunidad.
C1 verb /ˈmʌtər/

mutter

murmurar
Meaning
to speak in a low or barely audible voice, often in dissatisfaction or irritation
Example
He muttered something under his breath as he walked away.
Él murmuró algo bajo su aliento mientras se alejaba.
C1 noun məˈnɒp.əl.i

monopoly

monopolio
Meaning
The exclusive possession or control of the supply of or trade in a commodity or service.
Example
The company has a monopoly on electric car production.
La empresa tiene un monopolio en la producción de coches eléctricos.
C1 noun /ˈmænɪkɪn/

mannequin

maniquí
Meaning
a life-sized model of a human figure used by shops to display clothes
Example
The mannequin in the shop window was dressed in a red gown.
El maniquí en la ventana de la tienda estaba vestido con un vestido rojo.
C1 noun /ˈmɜːrsəˌnɛri/

mercenary

mercenario
Meaning
a professional soldier hired to serve in a foreign army; also used to describe someone motivated solely by money.
Example
The mercenary fought for whoever paid the highest wage.
El mercenario luchó por quien pagó el salario más alto.
C1 noun ˈmæŋɡroʊv ˈfɒrɪst

Mangrove Forest

bosque de manglares
Meaning
A coastal forest ecosystem characterized by salt-tolerant trees and shrubs that grow in intertidal zones.
Example
Sundarbans is the world's largest mangrove forest.
Sundarbans es el mayor bosque de manglares del mundo.
C1 noun /moʊˈtiːf/

motif

motivo
Meaning
A recurring theme, subject, or idea in a work of art or literature.
Example
The motif of love is central to the novel.
El motivo del amor es central en la novela.
C1 noun /ˈmænər/

manor

mansión
Meaning
A large country house with lands; the main house of an estate.
Example
The old manor stood proudly on the hill for centuries.
La vieja mansión se erguía orgullosa sobre la colina durante siglos.
C1 adjective /məˈləʊ.di.əs/

Melodious

melodioso
Meaning
having a pleasant musical sound; tuneful
Example
Her melodious voice captivated the entire audience.
Su voz melodiosa cautivó a toda la audiencia.
C1 noun /ˈmedoʊ/

Meadow

pradera
Meaning
A piece of grassland, especially one used for hay
Example
The cows grazed peacefully in the green meadow.
Las vacas pastaban tranquilamente en la pradera verde.
C1 verb /mɔːrf/

morph

transformarse
Meaning
to change smoothly from one form, shape, or character into another
Example
The caterpillar will morph into a butterfly.
La oruga se transformará en una mariposa.
C1 adjective /məˈtɜːrnəl/

Maternal

maternal
Meaning
relating to a mother; motherly
Example
She showed maternal care towards the orphan child.
Ella mostró cuidado maternal hacia el niño huérfano.
C1 verb /məˈruːn/

maroon

abandonar en una isla desierta
Meaning
to leave someone trapped and isolated, especially on an island
Example
The sailors were marooned on a deserted island.
Los marineros fueron abandonados en una isla desierta.
C1 adjective /ˌmiːtiˈɔːrɪk/

meteoric

relacionado con meteoritos; muy rápido y a menudo temporal.
Meaning
Relating to meteors; very rapid and often temporary.
Example
The singer’s meteoric rise to fame surprised everyone.
El ascenso meteórico del cantante a la fama sorprendió a todos.
C1 noun /ˌmɛrɪˈtɒkrəsi/

meritocracy

meritocracia
Meaning
A system in which advancement is based on individual ability or achievement.
Example
In a true meritocracy, the most capable people rise to leadership positions.
En una verdadera meritocracia, las personas más capaces ascienden a posiciones de liderazgo.
C1 adjective /ˈmaɪzərli/

miserly

tacaño
Meaning
Unwilling to spend money; stingy.
Example
She lived a miserly life, refusing to buy anything new.
Vivió una vida tacaña, negándose a comprar algo nuevo.
C1 noun məˈriːn ˈsɜː.veɪ

marine survey

estudio marino. levantamiento marítimo.
Meaning
A systematic examination of the sea, seabed, and underwater features for the purpose of making maps or gathering other information.
Example
The marine survey identified the ideal cable routes.
El estudio marino identificó las rutas ideales para los cables.
C1 verb məˈnɒp.ə.laɪz

monopolize

controlar exclusivamente
Meaning
Control exclusively, dominate market.
Example
The company tried to monopolize the market.
La empresa intentó monopolizar el mercado.
C1 noun /ˈmɒnəˌθiːɪzəm/

monotheism

monoteísmo
Meaning
The belief in the existence of only one God.
Example
Islam and Christianity are religions based on monotheism.
El islam y el cristianismo son religiones basadas en el monoteísmo.
C1 noun /ˈmeɪ.triˌɑːrk/

matriarch

matriarca
Meaning
A woman who is the head of a family or community.
Example
The matriarch of the family made all important decisions.
La matriarca de la familia tomó todas las decisiones importantes.
C1 adjective /məˈnæstɪk/

monastic

monástico
Meaning
Relating to monks, monasteries, or a life of religious seclusion.
Example
He chose to live a monastic life away from the city.
Eligió vivir una vida monástica lejos de la ciudad.
C1 noun /ˌmɑːr.kɪ.təˈbɪl.ə.ti/

marketability

comercialización
Meaning
The possibility of commercial success for a product or service
Example
The new product's marketability depends on consumer demand.
La comerciabilidad del nuevo producto depende de la demanda de los consumidores.
C1 noun /ˈmɑːrtər/

Martyr

mártir
Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
Se convirtió en un mártir por la causa de la libertad y la democracia.
C1 verb /mɪns/

mince

picar finamente
Meaning
to cut into very small pieces; to walk with short quick steps
Example
She minced the garlic for the recipe.
Ella picó el ajo para la receta.
C1 noun /məˈdɜːrnəti/

modernity

modernidad
Meaning
The quality or condition of being modern; up-to-date ideas, practices, or style.
Example
The city’s architecture reflects both tradition and modernity.
La arquitectura de la ciudad refleja tanto la tradición como la modernidad.
C1 noun ˌmʌn.ɪ.taɪˈzeɪ.ʃən

monetization

convertir un activo o servicio en una forma de ganar dinero
Meaning
Converting an asset or service into a way of earning money.
Example
YouTube allows content creators to earn money through monetization.
YouTube permite a los creadores de contenido ganar dinero a través de la monetización.
C1 noun /mɪˈlɛniəm/

millennium

milenio
Meaning
a period of one thousand years; often used to mark an anniversary
Example
The year 2000 was celebrated as the beginning of a new millennium.
El año 2000 se celebró como el comienzo de un nuevo milenio.
C1 noun /ˈmiːknəs/

Meekness

humildad
Meaning
The quality of being quiet, gentle, and submissive
Example
His meekness was often mistaken for weakness by his colleagues.
Su humildad a menudo era confundida con debilidad por sus colegas.
C1 adverb /ˈmerɪli/

Merrily

alegremente
Meaning
in a cheerful and joyful manner
Example
The children played merrily in the garden.
Los niños jugaban alegremente en el jardín.
C1 adjective /ˈmɑːrʃəl/

martial

bélico
Meaning
Related to war, soldiers, or military life.
Example
The country imposed martial law during the crisis.
El país impuso la ley marcial durante la crisis.
C1 noun ˈmiːdiə ˈdɒmɪnəns

media dominance

dominio de los medios
Meaning
The control and powerful influence that media has over communication and information distribution in society.
Example
The internet has enhanced media dominance globally.
Internet ha aumentado el dominio de los medios a nivel mundial.
C1 noun /mɔːs/

Moss

musgo
Meaning
a small flowerless plant that grows in clumps in moist places
Example
Green moss covered the old stone wall.
El musgo verde cubrió la antigua pared de piedra.
C1 verb, noun /mjuːz/

muse

meditar / fuente de inspiración
Meaning
to think deeply about something; a source of inspiration, especially for an artist or writer
Example
She sat by the window to muse about her future.
Ella se sentó junto a la ventana para pensar profundamente sobre su futuro.
C1 noun /ˈmævərɪk/

maverick

persona independiente
Meaning
An unorthodox or independent-minded person.
Example
The maverick scientist challenged established theories.
El científico independiente desafió las teorías establecidas.
C1 noun /mɒnˈtɑːʒ/

montage

montaje
Meaning
A sequence of film editing or a composite image made by combining several separate pictures.
Example
The film opened with a montage of city life.
La película comenzó con un montaje de la vida en la ciudad.
C1 noun /mɪˈtrɒp.ə.lɪs/

Metropolis

metrópoli
Meaning
A very large city, especially the main city of a country or region
Example
New York is a bustling metropolis with millions of residents.
Nueva York es una metrópoli bulliciosa con millones de residentes.
C1 verb /mɔːl/

maul

mutilar
Meaning
To wound or injure someone by scratching or tearing; to handle roughly.
Example
The bear mauled the camper in the forest.
El oso mutiló al campista en el bosque.
C1 verb məˈtæb.ə.laɪz

metabolize

procesar y utilizar alimentos para el crecimiento
Meaning
Process and use food for growth and to replace tissue, or process other substances in the body.
Example
The liver helps to metabolize toxins.
El hígado ayuda a metabolizar toxinas.
C1 noun /ˈmjʊr.əl/

Mural

mural
Meaning
a painting or artwork applied directly on a wall or ceiling
Example
The artist painted a beautiful mural on the school wall.
El artista pintó un hermoso mural en la pared de la escuela.
C1 verb /ˈmɛdəl/

meddle

interferir en algo que no te concierne
Meaning
to interfere in something that is not one's concern
Example
He always tries to meddle in other people’s business.
Él siempre intenta interferir en los asuntos de los demás.
C1 noun /ˈmenəs/

Menace

amenaza
Meaning
A person or thing that is likely to cause harm; a threat
Example
The reckless driver was a menace to everyone on the road.
El conductor imprudente era una amenaza para todos en la carretera.
C1 noun ˌmɒdɪfɪˈkeɪʃn

modification

modificación
Meaning
The action of making changes to something.
Example
The plan required modification.
El plan requirió modificación.
C1 adjective /məˈnɒtənəs/

Monotonous

monótono; aburrido; repetitivo
Meaning
lacking in variety; tediously unvarying; boring and repetitive
Example
The monotonous sound of the rain made everyone feel sleepy.
El sonido monótono de la lluvia hizo que todos se sintieran somnolientos.
C1 noun /ˈmoʊɡəl/

mogul

magnate
Meaning
A powerful or influential person, especially in business or media.
Example
He became a tech mogul by founding a billion-dollar company.
Se convirtió en un magnate de la tecnología al fundar una empresa multimillonaria.
C1 noun məˈnjʊər

manure

estiércol, abono orgánico
Meaning
Animal dung used for fertilizing land; organic matter used as fertilizer.
Example
Organic manure enhances soil fertility.
El estiércol orgánico mejora la fertilidad del suelo.
C1 adjective /məˈtɪk.jə.ləs/

meticulous

Extremadamente cuidadoso y preciso en la atención al detalle
Meaning
Extremely careful and precise in attention to detail
Example
A meticulous researcher checks every detail before publishing.
Un investigador meticuloso revisa cada detalle antes de publicar.
C1 noun /ˈmɔːrtər/

mortar

mezcla para juntar ladrillos / pequeño cañón
Meaning
a mixture used in building to bond bricks or stones together; also, a small cannon for firing shells
Example
The workers applied mortar between the bricks.
Los trabajadores aplicaron mortero entre los ladrillos.
C1 noun/adjective /ˈmɪriəd/

myriad

incontable
Meaning
a countless or extremely great number
Example
There are myriad stars in the night sky.
Hay innumerables estrellas en el cielo nocturno.
C1 noun /ˈmɔːr.nər/

Mourner

persona que asiste a un funeral
Meaning
a person who attends a funeral or shows grief for someone who has died
Example
The mourners gathered at the cemetery to pay their respects.
Los dolientes se reunieron en el cementerio para rendir sus respetos.
C1 verb /mɑːr/

mar

estropear
Meaning
to spoil or damage the appearance or quality of something
Example
The scratch will mar the beauty of the painting.
El rasguño estropeará la belleza del cuadro.
C1 noun /ˈmɑː.kɪt ˌpen.ɪˈtreɪ.ʃən/

Market Penetration

penetración de mercado
Meaning
A measure of the amount of sales or adoption of a product or service compared to the total theoretical market for that product or service.
Example
High market penetration ensures competitive dominance.
Una alta penetración de mercado asegura dominancia competitiva.
C1 noun /ˈmæksɪm/

maxim

máxima
Meaning
a short, well-known statement expressing a general truth or rule of conduct
Example
Honesty is a timeless maxim valued in every culture.
La honestidad es una máxima atemporal valorada en todas las culturas.
C1 verb /ˈmiː.di.eɪt/

mediate

mediar
Meaning
To act as an intermediary in bringing about agreement or reconciliation between parties.
Example
She was asked to mediate between the two companies.
Le pidieron mediar entre las dos empresas.
C1 noun /ˈmɒn.ɑːk/

Monarch

monarca
Meaning
a sovereign ruler, especially a king or queen
Example
The monarch addressed the nation on television.
El monarca dirigió la nación en la televisión.
C1 noun /ˈmaɪlɪdʒ/

mileage

rendimiento de combustible
Meaning
The distance traveled in miles, or the fuel efficiency of a vehicle.
Example
This car gives excellent mileage on highways.
Este coche da un excelente rendimiento de combustible en las autopistas.
C1 noun /ˈmeɪniæk/

maniac

maniaco
Meaning
a person who behaves in a wildly foolish, dangerous, or violent way
Example
The driver was speeding like a maniac.
El conductor estaba conduciendo como un maníaco.
C1 noun /məˈtɪəriəlɪzəm/

Materialism

materialismo
Meaning
A tendency to consider material possessions more important than spiritual values
Example
The rise of materialism in modern society concerns many philosophers.
El auge del materialismo en la sociedad moderna preocupa a muchos filósofos.
C1 adjective /ˈmaɪndləs/

mindless

sin sentido
Meaning
without thought or intelligence; done without consideration
Example
He was bored by the mindless tasks at work.
Estaba aburrido por las tareas sin sentido en el trabajo.
C1 noun mælˈnʌr.ɪʃ.mənt

malnourishment

desnutrición
Meaning
Lack of proper nutrition, caused by not having enough to eat, not eating enough of the right things, or being unable to use the food that one does eat.
Example
Children in poverty-stricken areas suffer from malnourishment.
Los niños en áreas empobrecidas sufren de desnutrición.
C1 noun /ˈmeɪsən/

mason

albañil
Meaning
a person skilled in building with stone, brick, or concrete
Example
The mason carefully laid the bricks for the new house.
El albañil colocó cuidadosamente los ladrillos para la nueva casa.
C1 adjective /moʊˈmentəs/

Momentous

importante
Meaning
of great importance or significance; having far-reaching consequences
Example
The signing of the peace treaty was a momentous occasion for both countries.
La firma del tratado de paz fue una ocasión importante para ambos países.
C1 verb /mæʃ/

mash

machacar
Meaning
to crush or mix food into a soft mass, usually by pressing or beating
Example
She mashed the potatoes before serving dinner.
ella machó las papas antes de servir la cena.
C1 verb /mɑːrd/

marred

estropear
Meaning
to spoil or damage the quality or appearance of something
Example
The celebration was marred by bad weather.
La celebración fue arruinada por mal tiempo.
C1 noun /ˌmaʊntəˈnɪə/

mountaineer

montañero
Meaning
A person who climbs mountains as a sport or profession.
Example
The mountaineer reached the summit after a long climb.
El montañero llegó a la cima después de una larga subida.
C1 noun /meɪn/

mane

melena
Meaning
the long hair growing on the neck of a horse, lion, or other animal
Example
The lion shook its thick mane proudly.
El león sacudió su espesa melena con orgullo.
C1 noun /ˈmɔː.tər ænd ˈpes.əl/

Mortar and Pestle

mortero y pistilo
Meaning
a bowl and grinding tool used to crush and grind spices, herbs, and other substances
Example
She ground the spices using a mortar and pestle.
Ella molió las especias usando un mortero y pistilo.
C1 adjective /ˈmɜː(r)dərəs/

Murderous

asesino; con intención de matar; extremadamente violento; sanguinario
Meaning
having the intent to kill; extremely violent; bloodthirsty
Example
The murderous look in his eyes frightened everyone.
La mirada asesina en sus ojos asustó a todos.