middle-class
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B2 noun ˈmɪdl klæs

middle-class

clase media
Meaning
The social group between the upper and working classes, typically consisting of well-educated people.
Example
The middle-class was largely affected by the decision.
La clase media fue ampliamente afectada por la decisión.
C1 noun /mɒb/

Mob

multitud; un grupo que actúa de manera violenta
Meaning
a large crowd of people; a group that acts in a violent way
Example
An angry mob gathered outside the building.
Una multitud enfadada se reunió fuera del edificio.
C1 noun /ˈmæn.juˌskrɪpt/

manuscript

manuscrito
Meaning
a handwritten or typed document, especially a writer’s draft before publication
Example
The author submitted her manuscript to the publisher.
La autora presentó su manuscrito al editor.
B2 noun/adjective /ˈmɪnətʃər/ or /ˈmɪniətʃʊr/

miniature

versión en miniatura
Meaning
a very small version of something; small in scale or size
Example
The artist created a miniature model of the castle.
El artista creó un modelo en miniatura del castillo.
B1 noun /ˈmæɡnət/

magnet

imán
Meaning
An object that produces a magnetic field and attracts metals like iron.
Example
The magnet held the paper to the fridge door.
El imán sujetó el papel a la puerta del refrigerador.
B1 adjective, preposition, noun /mɪd/

mid

medio
Meaning
being in the middle of something; the central part or point
Example
She joined the project in mid June.
Ella se unió al proyecto a mediados de junio.
A2 noun /mjuːˈzɪʃən/

musician

músico
Meaning
a person who plays a musical instrument or is musically talented
Example
He is a talented musician.
Él es un músico talentoso.
C2 adjective /ˌmɒnəkrəˈmætɪk/

monochromatic

monocromático
Meaning
Consisting of or displaying only one color.
Example
The artist created a striking monochromatic painting in shades of blue.
El artista creó una pintura monocromática llamativa en tonos de azul.
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 adjective /ˌmed.iˈiː.vəl/

Mediaeval

medieval
Meaning
relating to the Middle Ages; medieval
Example
The castle displayed mediaeval architecture and design.
El castillo mostraba arquitectura y diseño medieval.
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 adjective /ˈmaʊntɪnəs/

Mountainous

montañoso
Meaning
having many mountains; characterized by mountains
Example
The mountainous region was difficult to travel through.
La región montañosa era difícil de recorrer.
C1 adjective /ˈmɒsi/

Mossy

cubierto de musgo; con musgo creciendo en él
Meaning
covered with moss; having moss growing on it
Example
The old tree trunk was mossy and covered with green vegetation.
El tronco viejo del árbol estaba cubierto de musgo y cubierto de vegetación verde.
C1 verb /ˈmæsəkər/

massacre

masacre
Meaning
to kill a large number of people brutally; to defeat decisively
Example
The army massacred the innocent civilians.
El ejército masacró a los inocentes civiles.
C1 adjective /ˈmeɪkˌʃɪft/

makeshift

improvisado
Meaning
used as a temporary substitute; improvised
Example
They used boxes as a makeshift table.
Usaron cajas como una mesa improvisada.
B2 adjective /ˌmiː.diˈiː.vəl/

medieval

medieval
Meaning
Relating to the Middle Ages, the period in European history from about the 5th to the 15th century.
Example
The castle is a famous medieval monument.
El castillo es un famoso monumento medieval.
A1 noun /mɑːrtʃ/

March

marcha
Meaning
An act of walking in a regular measured tread; a protest demonstration
Example
The soldiers performed a ceremonial march in front of the palace.
Los soldados realizaron una marcha ceremonial frente al palacio.
B2 noun /ˈmɪn.ɪ.stri/

Ministry

ministerio
Meaning
A government department responsible for a particular area of public administration
Example
The Ministry of Education announced new policies for schools.
El Ministerio de Educación anunció nuevas políticas para las escuelas.
B2 adverb /ˈmen.tə.li/

Mentally

mentalmente
Meaning
relating to the mind; in terms of mental processes
Example
She was mentally preparing herself for the exam.
Ella se estaba preparando mentalmente para el examen.
C2 verb /ˈmɒrəlaɪz/

moralize

moralizar
Meaning
To comment on issues of right and wrong, often with an air of superiority.
Example
He tends to moralize about other people's choices.
Él tiende a moralizar sobre las elecciones de otras personas.
B1 noun /ˈmoʊ.ʃən/

Motion

movimiento; acción de moverse
Meaning
the action of moving or being moved; a formal proposal
Example
The car was in constant motion during the journey.
El coche estaba en movimiento constante durante el viaje.
A2 noun /ˈmiːnɪŋ/

Meaning

significado; propósito
Meaning
What is meant by a word, text, or concept; significance or purpose
Example
The teacher explained the meaning of the difficult word to the students.
El maestro explicó el significado de la palabra difícil a los estudiantes.
B2 adverb /ˈmɔːrəli/

Morally

moralmente
Meaning
in accordance with principles of right and wrong behavior; ethically
Example
She felt morally obligated to help the refugees.
Ella se sintió moralmente obligada a ayudar a los refugiados.
B2 noun /məˈtʃʊrəti/

Maturity

madurez
Meaning
The state of being mature; full development physically or emotionally
Example
With age comes wisdom and emotional maturity.
Con la edad llega la sabiduría y la madurez emocional.
B1 noun /ˈmæn.ɪdʒ.mənt/

management

gestión
Meaning
The process of dealing with or controlling things or people.
Example
Proper management minimizes environmental damage.
La gestión adecuada minimiza los daños ambientales.
A2 noun /mɛs/

mess

desorden
Meaning
A state of disorder or untidiness.
Example
The kids left the room in a complete mess.
Los niños dejaron la habitación en un completo desorden.
C2 noun /məˈʃiː.nɪst/

machinist

maquinista
Meaning
a person who operates machine tools or makes and repairs machines
Example
The machinist carefully adjusted the gears on the lathe.
El maquinista ajustó cuidadosamente los engranajes en el torno.
C2 adjective /ˈmæn.laɪk/

manlike

masculino
Meaning
Having qualities or characteristics traditionally associated with a man; manly.
Example
His manlike courage impressed everyone in the village.
Su valentía masculina impresionó a todos en el pueblo.
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.
A1 noun /mɪlk/

Milk

leche
Meaning
a white liquid produced by cows, goats, or other mammals, used as food
Example
Children need to drink milk for strong bones.
Los niños necesitan beber leche para huesos fuertes.
C2 noun /ˈmeɪlstrəm/

maelstrom

remolino
Meaning
A powerful whirlpool in the sea or a situation of confused movement and turmoil.
Example
The ship was caught in a maelstrom of waves and wind.
El barco fue atrapado en un remolino de olas y viento.
A2 noun ˈmuːv.mənt

movement

movimiento
Meaning
A group of people working together to advance their shared political, social, or artistic ideas.
Example
The movement aimed to ensure equal rights.
El movimiento tenía como objetivo garantizar los derechos iguales.
C2 noun /ˈmætrɪˌsaɪd/

matricide

matricidio
Meaning
The act of killing one's own mother.
Example
The crime of matricide shocked the entire town.
El crimen de matricidio sorprendió a toda la ciudad.
A2 noun /ˈmɛnjuː/

menu

menú
Meaning
A list of food and drinks available at a restaurant or offered at a meal.
Example
The restaurant updated its menu with new dishes.
El restaurante actualizó su menú con nuevos platos.
A1 noun /maʊs/

Mouse

rata
Meaning
a small rodent with a long tail and typically gray or brown fur
Example
The little mouse hid behind the cabinet.
El pequeño ratón se escondió detrás del armario.
A2 noun /ˈmoʊtər/

motor

motor
Meaning
a machine that produces motion or power to make something work
Example
The car’s motor stopped suddenly.
El motor del coche se detuvo de repente.
C2 adjective /ˌmɪsənˈθrɑːpɪk/

misanthropic

misantrópico
Meaning
having or showing a dislike of humankind
Example
His misanthropic attitude made it difficult for him to make friends.
Su actitud misantrópica hacía difícil que hiciera amigos.
B2 noun ˈmoʊ.baɪl sɪˈkjʊr.ə.ti

mobile security

seguridad móvil
Meaning
Protection of mobile devices and the data stored on them from security threats.
Example
Strong mobile security protects personal information.
Una fuerte seguridad móvil protege la información personal.
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 adjective ˌmɒn.jʊˈmɛn.təl

monumental

de gran importancia, extensión o tamaño
Meaning
Great in importance, extent, or size; exceptionally great; forming or serving as a monument.
Example
The discovery of electricity was a monumental achievement.
El descubrimiento de la electricidad fue un logro monumental.
B2 adverb /ˈmiːn.taɪm/

Meantime

mientras tanto
Meaning
during the time between two events; in the period of time between now and when something else happens
Example
The food will be ready in an hour; in the meantime, we can watch TV.
La comida estará lista en una hora; mientras tanto, podemos ver televisión.
B1 adverb /ˈmiːn.waɪl/

Meanwhile

mientras tanto
Meaning
at the same time; during the same period
Example
She was cooking dinner, meanwhile he was setting the table.
Ella estaba cocinando la cena, mientras él estaba poniendo la mesa.
C1 adjective məˈθɒd.ɪ.kəl

methodical

metódico
Meaning
Done according to a systematic or established procedure; orderly and systematic.
Example
His methodical research produced reliable results.
Su investigación metódica produjo resultados confiables.
C1 noun ˌmɪt.ɪˈɡeɪ.ʃən

mitigation

mitigación
Meaning
The action of reducing the severity, seriousness, or painfulness of something.
Example
Mitigation of climate change requires collective effort.
La mitigación del cambio climático requiere un esfuerzo colectivo.
A2 noun /ˈmædʒɪk/

magic

magia
Meaning
the use of mysterious or supernatural powers to influence events
Example
The magician amazed the crowd with his magic.
El mago sorprendió a la multitud con su magia.
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.
C2 adjective /ˈmɛtrɪkəl/

metrical

métrico
Meaning
Relating to or composed in a regular rhythmic pattern of beats or meter, especially in poetry.
Example
The poet carefully followed metrical rules in his verses.
El poeta siguió cuidadosamente las reglas métricas en sus versos.
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.
C2 noun /ˈmædʒɪstrəsi/

magistracy

oficina judicial
Meaning
The office, authority, or district of a magistrate.
Example
He was proud to serve in the local magistracy for over a decade.
Él estaba orgulloso de servir en la oficina judicial local durante más de una década.
B1 noun/verb /ˈmætərz/

matters

asuntos / importar
Meaning
important topics, concerns, or issues; as a verb, to be of importance or significance
Example
What she thinks really matters to me.
Lo que ella piensa realmente importa para mí.
B1 noun /mæs/

mass

masa
Meaning
a large body of matter with no specific shape; a large number of people or things
Example
A huge mass of people gathered in the square.
Una enorme masa de personas se reunió en la plaza.
B2 noun /ˌmɪsbɪˈheɪvjər/

misbehavior

mala conducta
Meaning
bad or improper behavior
Example
The teacher punished the student for his misbehavior.
El maestro castigó al estudiante por su mala conducta.
B2 noun /mjuːl/

Mule

mulo
Meaning
the offspring of a donkey and a horse, used as a working animal
Example
The farmer used a mule to carry heavy loads.
El agricultor usó un mulo para llevar cargas pesadas.
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.
C2 noun /məˈrɔː.dər/

marauder

merodeador
Meaning
a person who roams around in search of things to steal or people to attack
Example
Villagers feared the marauders who raided their homes.
Los aldeanos temían a los merodeadores que asaltaban sus casas.
B2 verb ম্যানিফেস্ট

manifest

manifestar
Meaning
To show or demonstrate clearly; to become evident or apparent.
Example
Symptoms of De Quervain's Syndrome may manifest after prolonged phone use.
Los síntomas del síndrome de De Quervain pueden manifestarse después de un uso prolongado del teléfono.
B2 adjective ˈmem.ər.ə.bəl

memorable

memorable
Meaning
Worth remembering or easily remembered, especially because of being special or unusual.
Example
Memorable events inspire generations.
Los eventos memorables inspiran generaciones.
C2 verb /ˈmɒtl/

mottle

moteado
Meaning
To mark with spots or patches of color.
Example
The leaves were mottled with shades of yellow and brown.
Las hojas estaban moteadas con tonos de amarillo y marrón.
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 verb /ˌmɪsˈpleɪs/

misplace

poner en el lugar equivocado
Meaning
To put something in the wrong location and temporarily lose it.
Example
I often misplace my keys when I am in a hurry.
A menudo pongo mis llaves en el lugar equivocado cuando tengo prisa.
B2 noun /ˈmeɪnstriːm/

mainstream

corriente principal
Meaning
the ideas, attitudes, or activities that are regarded as normal or conventional; the dominant trend in opinion or fashion
Example
Social media has become a mainstream source of news for many people.
Las redes sociales se han convertido en una fuente de noticias corriente principal para muchas personas.
B2 adjective /məˈtjʊr/

mature

maduro
Meaning
fully developed or grown, especially emotionally or intellectually
Example
She has become a mature and confident leader.
Ella se ha convertido en una líder madura y segura de sí misma.
C1 noun /moʊld/

Mould

molde; moho
Meaning
a hollow container used to give shape to molten material; fungus
Example
She poured chocolate into the mould to make candies.
Ella vertió chocolate en el molde para hacer caramelos.
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 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.
C2 noun /məˈræs/

morass

situación complicada
Meaning
A complicated or confused situation; a swampy or boggy ground.
Example
The project got stuck in a bureaucratic morass.
El proyecto quedó atrapado en un embrollo burocrático.
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.
C2 verb /meɪm/

maim

mutilar
Meaning
To wound or injure someone so that part of the body is permanently damaged.
Example
The accident maimed several passengers.
El accidente dejó a varios pasajeros malheridos.
B2 adjective /ˌmæθəˈmætɪkəl/

mathematical

matemático
Meaning
relating to mathematics or the use of mathematics
Example
The mathematical equation was difficult to solve.
La ecuación matemática era difícil de resolver.
C1 verb, noun /miˈændər/

meander

deambular
Meaning
to wander aimlessly or follow a winding course
Example
We meandered through the old streets of the city.
Deambulamos por las antiguas calles de la ciudad.
B2 noun /ˌmʌltɪplɪˈkeɪʃən/

multiplication

multiplicación
Meaning
the mathematical process of combining numbers to get a product; the act of increasing in number or amount
Example
Multiplication is one of the basic operations taught in elementary mathematics.
La multiplicación es una operación básica en matemáticas.
C1 noun ˌmiː.diˈɒk.rə.ti

mediocrity

mediocridad
Meaning
Being average or ordinary, not particularly good.
Example
He refused to settle for mediocrity and aimed for greatness.
Él se negó a conformarse con la mediocridad y aspiró a la grandeza.
B2 adjective /mæɡˈnɪfɪsənt/

magnificent

magnífico
Meaning
extremely beautiful, impressive, or splendid
Example
The view from the mountain was truly magnificent.
La vista desde la montaña fue realmente magnífica.
C2 noun /mɪf/

miff

pequeña pelea
Meaning
A petty quarrel or annoyance.
Example
They had a slight miff over the seating arrangement.
Tuvieron una pequeña pelea sobre la disposición de los asientos.
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.
C2 verb /ˈmæk.jʊˌleɪt/

maculate

manchar
Meaning
To stain, spot, or pollute something.
Example
The white cloth was maculated by ink stains.
La tela blanca fue manchada por manchas de tinta.
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 /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.
B2 noun /mɪθ/

myth

mito
Meaning
A traditional story explaining natural or social phenomena, often involving supernatural beings; a widely held but false belief.
Example
The myth of the phoenix tells of a bird reborn from its ashes.
El mito del fénix cuenta la historia de un pájaro renacido de sus cenizas.
C2 noun /ˌmæskəˈreɪd/

masquerade

fiesta donde la gente usa máscaras y disfraces
Meaning
a party or gathering where people wear masks and costumes; a false outward show
Example
The charity event was held as a grand masquerade.
El evento benéfico se celebró como un gran masquerade.
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 verb /ˈmedɪkeɪt/

medicate

medicar
Meaning
to treat with medicine; to give drugs to someone for medical purposes
Example
The doctor will medicate the patient to reduce inflammation.
El doctor medicará al paciente para reducir la inflamación.
C2 verb /ˈmɒlikɒdl/

mollycoddle

malcriar
Meaning
To treat someone in an overprotective and indulgent way.
Example
Parents should avoid mollycoddling their children too much.
Los padres deberían evitar malcriar demasiado a sus hijos.
C1 adjective/noun nɪˈmɒn.ɪk

mnemonic

dispositivo mnemotécnico, técnica para recordar
Meaning
Assisting or intended to assist memory; a device or technique to aid memory.
Example
A mnemonic device helps students remember complex concepts.
Un dispositivo mnemotécnico ayuda a los estudiantes a recordar conceptos complejos.
C1 adjective /ˈmɜː.sɪ.ləs/

Merciless

despiadado; cruel;
Meaning
showing no mercy or pity; cruel and heartless
Example
The merciless dictator showed no compassion.
El dictador despiadado no mostró compasión.
B2 noun /ˈmɪz.ər.i/

Misery

miseria; pobreza extrema; sufrimiento
Meaning
Great mental or physical suffering; extreme unhappiness or distress
Example
The poor family lived in complete misery after losing their home.
La familia pobre vivió en completa miseria después de perder su hogar.
A2 noun /ˈmiːtɪŋ/

meeting

reunión
Meaning
A gathering of people for discussion or decision-making.
Example
The board had a meeting to finalize the budget.
La junta tuvo una reunión para finalizar el presupuesto.
B2 noun /ˈmɛmoʊ/

memo

memorando
Meaning
a written message, typically in a business setting
Example
He wrote a memo to the staff about the upcoming meeting.
Él escribió un memorando al personal sobre la próxima reunión.
C2 noun /ˈmɪlk pɒt/

Milk-pot

lechetera
Meaning
a container specifically used for storing or serving milk
Example
She poured fresh milk from the milk-pot into her glass.
Ella vertió leche fresca de la lechetera en su vaso.
B2 noun /məˈstɑːʃ/

Moustache

bigote
Meaning
hair that grows on the upper lip of men
Example
He grew a thick moustache for the play.
Él cultivó un espeso bigote para la obra.
A2 noun /mæθ/

math

matemáticas
Meaning
The study of numbers, quantities, and shapes, also called mathematics.
Example
She is very good at math.
Ella es muy buena en matemáticas.
C1 noun ˌmɒd.ɪ.fɪˈkeɪ.ʃənz

modifications

modificaciones
Meaning
The action of making partial or minor changes to something.
Example
DNA modifications enable enhanced traits in crops.
Las modificaciones del ADN permiten características mejoradas en los cultivos.
C1 adverb /ˌmæθəˈmætɪkli/

mathematically

matemáticamente
Meaning
in a way that relates to mathematics; using numbers, formulas, or logical calculation
Example
The problem can be solved mathematically rather than by guesswork.
El problema puede resolverse matemáticamente en lugar de adivinar.
C1 adjective, verb (past tense/participle of mire) /ˈmaɪərd/

mired

atrapado
Meaning
Trapped or entangled in something, typically a difficult situation.
Example
The politician was mired in scandal.
El político estaba atrapado en un escándalo.
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 adjective /ˌmɛtəˈfɔːrɪkəl/

metaphorical

metafórico
Meaning
Characteristic of or relating to metaphor; figurative rather than literal.
Example
He used metaphorical language to describe his emotions.
Él usó un lenguaje metafórico para describir sus emociones.
C2 adjective /ˈmiːzli/

measly

insignificante
Meaning
contemptibly small or insignificant
Example
He was paid a measly sum for the hard work.
Le pagaron una suma insignificante por el arduo 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.
B2 noun /ˈmæd.nəs/

Madness

locura; demencia;
Meaning
the state of being mentally ill, especially severely; extremely foolish behavior
Example
It would be madness to drive in this storm.
Sería una locura conducir en esta tormenta.
C1 noun /mɑːrʃ/

Marsh

pantano
Meaning
An area of low-lying land that is flooded in wet seasons or at high tide
Example
The endangered birds built their nests in the protected marsh.
Las aves en peligro de extinción construyeron sus nidos en el pantano protegido.
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.
A2 noun /muːn/

Moon

luna
Meaning
the natural satellite of the earth, visible at night by reflected light from the sun
Example
The full moon shines brightly in the night sky.
La luna llena brilla intensamente en el cielo nocturno
B1 noun /mæsk/

Mask

máscara
Meaning
covering for the face or head; disguise or protection
Example
She wore a mask to protect herself from dust.
Ella llevaba una máscara para protegerse del polvo.
B2 noun məˈtæb.əl.ɪ.zəm

metabolism

metabolismo
Meaning
The chemical processes that occur within a living organism in order to maintain life.
Example
Exercise boosts metabolism and burns calories.
El ejercicio aumenta el metabolismo y quema calorías.
C2 noun /ˌmɪsˈruːl/

misrule

desgobierno
Meaning
bad or poor governance
Example
The kingdom suffered for decades under misrule.
El reino sufrió durante décadas bajo el desgobierno.
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 noun /mjuːˈteɪʃn/

mutation

mutación, cambio genético
Meaning
A change in form, structure, or nature, especially in genetics.
Example
Scientists discovered a genetic mutation that caused the disorder.
Los científicos descubrieron una mutación genética que causó el trastorno.
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.
C2 noun /ˈmɒnəɡrɑːf/

monograph

monografía
Meaning
A detailed written study of a single specialized subject or aspect of it.
Example
The professor published a monograph on ancient pottery.
El profesor publicó una monografía sobre la cerámica antigua.
B2 noun /ˈməʊtərɪst/

motorist

automovilista
Meaning
a person who drives a motor vehicle, especially a car or motorcycle
Example
The motorist stopped to help after seeing the accident on the highway.
El automovilista se detuvo para ayudar después de ver el accidente.
B2 noun /ˈmɛtəfɔːr/

metaphor

felicidad
Meaning
A figure of speech in which a word or phrase is applied to something to which it is not literally applicable.
Example
Time is a thief is a common metaphor for how quickly life passes.
No pudo esconder su felicidad cuando recibió el premio.
B2 adjective /mɑːrkt/

Marked

marcado; evidente; distinto
Meaning
clearly noticeable; distinct; obvious
Example
There was a marked improvement in her performance.
Hubo una mejora marcada en su desempeño.
C1 noun /moʊt/

moat

foso
Meaning
A deep, wide ditch surrounding a castle or town, often filled with water, for defense.
Example
The castle was protected by a wide moat filled with water.
El castillo estaba protegido por un amplio foso lleno de agua.
A2 verb /mætʃ/

match

coincidir
Meaning
to be equal to something; to find something that corresponds to another
Example
The colors of her dress match perfectly with her shoes.
Los colores de su vestido coinciden perfectamente con sus zapatos.
B2 verb /mɛnd/

mend

reparar
Meaning
To repair something that is broken or damaged.
Example
She learned to mend her torn dress.
Ella aprendió a reparar su vestido roto.
C1 verb /ˈmʌmbəl/

mumble

murmurar
Meaning
To speak quietly and not clearly so that words are difficult to understand.
Example
He mumbled an apology before leaving.
Él murmuró una disculpa antes de irse.
A2 noun /mɔːl/ or /mæl/

mall

centro comercial
Meaning
a large building or series of connected buildings containing shops and restaurants
Example
They went to the mall to buy new clothes.
Fueron al centro comercial para comprar ropa nueva.
B2 verb /ˈmɑːdərət/

moderate

moderado
Meaning
to make less extreme or intense; to control or preside over
Example
She moderated the heated debate between the candidates.
Ella moderó el acalorado debate entre los candidatos.
C1 noun /ˌmiːtiəˈrɒlədʒi/

meteorology

meteorología
Meaning
The scientific study of the atmosphere and weather.
Example
He chose to specialize in meteorology to study weather patterns.
Eligió especializarse en meteorología para estudiar los patrones climáticos.
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.
C2 noun /ˌmɛtəˈfɪzɪks/

metaphysics

metafísica
Meaning
The branch of philosophy that deals with the fundamental nature of reality, existence, and the relationship between mind and matter.
Example
She studied metaphysics to understand the principles of existence beyond physical science.
Ella estudió metafísica para entender los principios de la existencia más allá de la ciencia física.