nuclear
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
B2 adjective /ˈnuːkliər/

nuclear

nuclear
Meaning
relating to the nucleus of an atom or to nuclear energy
Example
The country is developing nuclear energy.
El país está desarrollando energía nuclear.
B2 adjective, adverb /ˈneɪʃənˌwaɪd/

nationwide

a nivel nacional
Meaning
existing or happening throughout an entire nation
Example
The campaign received nationwide support.
La campaña recibió apoyo a nivel nacional.
B2 noun ˈneɪʧər ɪnˈθjuːziæsts

Nature Enthusiasts

entusiastas de la naturaleza
Meaning
People who have a passionate interest in and love for the natural world and outdoor activities.
Example
Nature enthusiasts often visit Sajek Valley for its scenic beauty.
Los entusiastas de la naturaleza a menudo visitan el Valle de Sajek por su belleza escénica.
C1 verb /ˈnɔːrməlaɪz/

normalize

normalizar
Meaning
to bring something back to a normal or standard condition; to make something conform to a standard
Example
The government took steps to normalize relations with neighboring countries.
El gobierno tomó medidas para normalizar las relaciones con países vecinos.
C2 adjective /ˈneɪtl/

natal

relativo al nacimiento
Meaning
Relating to birth or the place of birth.
Example
She returned to her natal village after many years.
Ella regresó a su pueblo natal después de muchos años.
A2 adjective /ˈnɜː.vəs/

Nervous

nervioso, ansioso
Meaning
feeling anxious or worried; relating to the nerves; easily agitated
Example
She felt nervous before her job interview.
Ella se sentía nerviosa antes de su entrevista de trabajo.
A2 noun /ˈnefjuː/

nephew

sobrino
Meaning
the son of one’s brother or sister
Example
My nephew is studying at the university.
Mi sobrino estudia en la universidad.
C1 verb /ˈnɛsəl/

nestle

acurrucarse
Meaning
to settle or lie comfortably within or against something
Example
The child nestled into her mother's arms.
El niño se acurrucó en los brazos de su madre.
B2 adjective /nuːd/

nude

desnudo
Meaning
Wearing no clothes; naked.
Example
The artist painted a nude model.
El artista pintó un modelo desnudo.
C1 noun /ˈnɑv.ɪs/

Novice

novato
Meaning
a person new to or inexperienced in a field or situation; a beginner
Example
As a novice driver, she was very careful on the road.
Como un conductor novato, ella estaba muy cuidadosa en la carretera.
B2 verb /ˈnæreɪt/

narrate

narrar
Meaning
To tell a story or describe events, often in detail.
Example
She will narrate the events of her journey to the audience.
Ella narrará los eventos de su viaje a la audiencia.
C1 noun /ˈnek.səs/

Nexus

conexión; vínculo;
Meaning
a connection or series of connections linking two or more things
Example
There's a clear nexus between education and economic development.
Hay un claro nexo entre la educación y el desarrollo económico.
C1 noun /ˈnɒnʃələns/

nonchalance

despreocupación
Meaning
A relaxed and calm state, showing lack of concern or interest.
Example
She answered the tough questions with surprising nonchalance.
Ella respondió las preguntas difíciles con sorprendente despreocupación.
C2 noun /niːˈɒkrəsi/

neocracy

Gobierno dirigido por funcionarios inexpertos o nuevos
Meaning
A government or leadership run by inexperienced or new officials.
Example
The sudden revolution led to a neocracy with inexperienced leaders.
La repentina revolución dio lugar a una neocracia con líderes inexpertos.
B1 noun/adjective /ˈnɒvəl/

novel

novela / nuevo
Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
Ella pasó el fin de semana leyendo una novela histórica.
C2 noun /nɛˈkroʊsɪs/

necrosis

necrósis
Meaning
the death of body tissue due to disease, injury, or lack of blood supply
Example
The doctor explained that the patient’s wound showed signs of necrosis.
El doctor explicó que la herida del paciente mostraba signos de necrosis.
A2 adverb /ˈnoʊwɛr/

Nowhere

en ningún lado
Meaning
not anywhere; in no place
Example
I searched everywhere but the keys were nowhere to be found.
Busqué por todas partes pero las llaves no estaban en ningún lado.
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

neuroprotector
Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
Los ácidos grasos omega-3 tienen beneficios neuroprotectores.
A1 adverb /nɒt/

not

no
Meaning
used to make a word or phrase negative
Example
I do not like spicy food.
No me gusta la comida picante.
B1 noun /ˌnæʃəˈnæləti/

nationality

nacionalidad
Meaning
The status of belonging to a particular nation, either by birth or naturalization.
Example
Her nationality is Canadian, though she was born in France.
Su nacionalidad es canadiense, aunque nació en Francia.
B2 noun /ˌnɒməˈneɪʃən/

nomination

nominación
Meaning
The act of formally proposing someone for a role, position, or award.
Example
Her nomination for the award surprised everyone.
Su nominación para el premio sorprendió a todos.
B2 noun ˌnæv.ɪˈɡeɪ.ʃən

navigation

navegación
Meaning
The process or activity of accurately ascertaining one's position and planning and following a route.
Example
GPS technology has improved the navigation of self-driving cars.
La tecnología GPS ha mejorado la navegación de los autos autónomos.
C2 noun /niːp/

neap

marea baja
Meaning
A tide just after the first or third quarters of the moon when the difference between high and low tide is least.
Example
During a neap tide, the water level change is minimal.
Durante una marea baja, el cambio en el nivel del agua es mínimo.
A1 verb /niːd/

need

necesitar
Meaning
to require something; to be in want of
Example
I need help with my homework.
Necesito ayuda con mi tarea.
B2 adjective /nəˈtɔːriəs/

notorious

notorio
Meaning
Famous or well-known for something bad or undesirable
Example
The area is notorious for its high crime rate.
La zona es notoria por su alta tasa de criminalidad.
C2 adjective /ˈnjuːmɪnəs/

numinous

numinoso
Meaning
having a strong spiritual or mysterious quality
Example
The temple had a numinous atmosphere that inspired awe.
El templo tenía una atmósfera numinosa que inspiraba asombro.
C1 noun /ˈnɛktəriːn/

nectarine

néctarina (variedad de durazno de piel lisa)
Meaning
A smooth-skinned variety of peach.
Example
She bought a basket of fresh nectarines from the market.
Ella compró una canasta de nectarinas frescas del mercado.
C2 adjective /ˌnɒnkəˈmɪtl̩/

noncommittal

reticente
Meaning
Not expressing or showing a clear opinion, decision, or commitment.
Example
She gave a noncommittal reply when asked about her future plans.
Ella dio una respuesta reticente cuando se le preguntó sobre sus planes futuros.
A2 adjective /ˈnɔɪ.zi/

Noisy

ruidoso
Meaning
making a lot of loud or unpleasant sound; clamorous
Example
The noisy construction work outside made it difficult to concentrate.
El ruido de la construcción afuera hacía difícil concentrarse.
A1 noun /ˈnʌmbər/

number

número
Meaning
a mathematical value used to count, measure, or label
Example
She gave me her phone number.
Ella me dio su número de teléfono.
C2 adjective /ˌnjuːmɪzˈmætɪk/

numismatic

numismático
Meaning
relating to the study or collection of coins, currency, and medals
Example
He has a numismatic collection of rare coins from around the world.
Él tiene una colección numismática de monedas raras de todo el mundo.
C1 noun /ˈnaɪt.fɔːl/

nightfall

caída de la noche
Meaning
the time when night begins; dusk
Example
They decided to return home before nightfall.
Decidieron regresar a casa antes de la caída de la noche.
C1 noun /ˈnɑːrsɪsɪst/

narcissist

narcisista
Meaning
A person who has an excessive interest in or admiration of themselves.
Example
Everyone avoided him because he was a narcissist.
Todos lo evitaban porque era un narcisista.
C2 noun /nɪt/

nit

huevo de piojo
Meaning
The egg or young form of a louse or other parasitic insect.
Example
The teacher noticed nits in the child’s hair.
El maestro notó huevos de piojo en el cabello del niño.
B2 noun /næˈreɪʃən/

narration

narración
Meaning
The act of telling a story or describing events in detail.
Example
The movie’s narration was done by a famous actor.
La narración de la película fue realizada por un actor famoso.
A1 adverb /noʊ/

no

no
Meaning
used to give a negative response or to show disagreement
Example
She said no to the invitation.
Ella dijo no a la invitación.
B2 noun /ˈnæp.kɪn/

Nap Kin

servilleta
Meaning
a piece of cloth or paper used for wiping the mouth and hands while eating
Example
She placed the napkin on her lap before starting dinner.
Ella colocó la servilleta sobre su regazo antes de comenzar a cenar.
C2 noun /ˈnɒn.ɪʤ/

Nonage

minoría de edad
Meaning
the period of being under the legal age of majority; youth or immaturity
Example
During his nonage, all legal decisions were made by his guardian.
Durante su minoría de edad, todas las decisiones legales fueron tomadas por su tutor.
B1 noun /ˈniː.dəl/

Needle

aguja
Meaning
a thin, pointed metal instrument used for sewing
Example
She threaded the needle to sew the button.
Ella enhebró la aguja para coser el botón.
C1 noun /noʊˈbɪl.ə.ti/

Nobility

nobleza; rango alto
Meaning
the quality of being noble in character; people of noble rank
Example
He showed great nobility in forgiving his enemies.
Él mostró gran nobleza al perdonar a sus enemigos.
C1 noun /ˈneɡ.lɪ.dʒəns/

Negligence

negligencia
Meaning
failure to take proper care in doing something; carelessness
Example
The accident was caused by driver negligence.
El accidente fue causado por negligencia del conductor.
A1 verb /neɪm/

name

nombrar
Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
Decidieron nombrar a su bebé Sarah.
A2 noun /nʌt/

nut

nuez
Meaning
a hard-shelled fruit that contains a seed, or a small metal piece used in machinery
Example
She ate a peanut, which is a type of nut.
Ella comió un maní, que es un tipo de nuez.
B1 noun /ˈnætʃərəl dɪˈzæstər/

natural disaster

desastre natural
Meaning
a catastrophic event caused by natural processes of the Earth that results in significant damage, destruction, or loss of life
Example
The coastal town was devastated by a natural disaster.
La ciudad costera fue devastada por un desastre natural.
A1 noun /naɪn/

nine

nueve
Meaning
the number that is one more than eight
Example
She has nine books in her collection.
Ella tiene nueve libros en su colección.
B2 noun nɪˈsesɪti

necessity

necesidad
Meaning
The fact of being required or indispensable; an indispensable thing.
Example
Waste management is a necessity for environmental sustainability.
La gestión de residuos es una necesidad para la sostenibilidad ambiental.
C2 noun /nɪˈkrɒlədʒi/

necrology

necrológico
Meaning
An obituary notice or a list of people who have recently died.
Example
The newspaper published a necrology of notable figures who passed away that year.
El periódico publicó una necrología de figuras notables que fallecieron ese año.
B2 adverb /ˌnɒnˈstɒp/

Non-stop

sin parar; sin interrupciones
Meaning
continuing without stopping; without interruption
Example
The train traveled non-stop from London to Paris.
El tren viajó sin parar de Londres a París.
B2 noun /nɪˌɡoʊ.siˈeɪ.ʃən/

Negotiation

discusión destinada a llegar a un acuerdo; negociación
Meaning
discussion aimed at reaching an agreement; bargaining
Example
The negotiation between the two companies lasted for weeks.
La negociación entre las dos empresas duró semanas.
C1 adjective /ˈneɪm.ləs/

Nameless

sin nombre; anónimo; desconocido; no identificado
Meaning
having no name; anonymous; unknown; unidentified
Example
The nameless fear haunted him throughout the night.
El miedo sin nombre lo acechaba durante toda la noche.
A1 adverb /ˈnɛvər/

never

nunca
Meaning
at no time in the past or future; not ever
Example
I have never seen such a beautiful sunset.
Nunca he visto un atardecer tan hermoso.
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

técnica que utiliza actividades cerebrales en tiempo real para enseñar la autorregulación de la función cerebral
Meaning
A technique that uses real-time displays of brain activity to teach self-regulation of brain function.
Example
Neurofeedback enhances cognitive performance and relaxation.
El neurofeedback mejora el rendimiento cognitivo y la relajación.
A2 adverb /ˈnɔːməli/

Normally

normalmente
Meaning
in the usual way; under normal circumstances
Example
I normally wake up at 7 AM every day.
Normalmente me despierto a las 7 AM todos los días.
C2 noun /ˈnʌnəri/

nunnery

convento
Meaning
A convent or building where nuns live and work.
Example
She decided to join the nunnery to devote her life to spiritual practice.
Decidió unirse al convento para dedicar su vida a la práctica espiritual.
C2 adjective /nɪˈfɛəriəs/

nefarious

malévolo, criminal o moralmente malo
Meaning
Wicked, criminal, or morally bad.
Example
The police uncovered a nefarious plot to cheat investors.
La policía descubrió un complot malévolo para engañar a los inversores.
C1 noun /ˈnɛm.ə.sɪs/

nemesis

enemigo / rival
Meaning
A long-standing rival or an inescapable agent of downfall.
Example
For years, he considered his colleague to be his nemesis.
Durante años, consideró a su colega como su enemigo.
A1 pronoun /ˈnʌθɪŋ/

nothing

nada
Meaning
not anything; no thing
Example
She has nothing to worry about.
Ella no tiene nada de qué preocuparse.
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

jazmín nocturno
Meaning
a fragrant flowering tree that blooms at night with small white flowers
Example
The night-jasmine tree blooms only after sunset with its tiny white flowers.
El árbol de jazmín nocturno florece solo después del atardecer con sus pequeñas flores blancas.
C2 noun /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

formación de nuevas células nerviosas
Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
Los científicos están estudiando la neurogénesis para comprender la salud cerebral.
B2 adverb /ˈnoʊtəbli/

notably

notablemente
Meaning
used to indicate something worthy of attention or significant
Example
She is notably talented in painting.
Ella es notablemente talentosa en la pintura.
B1 noun /nɛt/

net

red
Meaning
a piece of material made of threads or ropes woven together, used to catch or hold things
Example
The fisherman cast his net into the sea.
El pescador lanzó su red al mar.
B1 adverb /ˈniːtli/

Neatly

ordenadamente; cuidadosamente
Meaning
in a tidy and orderly way; carefully and precisely
Example
She arranged the books neatly on the shelf.
Ella arregló los libros ordenadamente en la estantería.
B1 noun /ˈnɑn.sens/

Nonsense

tonterías
Meaning
words or language that have no meaning; foolish or unacceptable behavior
Example
Stop talking nonsense and be serious!
¡Deja de hablar tonterías y sé serio!
C2 noun /niˈɒlədʒi/

neology

el uso de nuevas palabras o el estudio de su origen
Meaning
The use of new words or the study of their origin.
Example
The professor specialized in neology, studying the creation of modern slang.
El profesor se especializó en neología, estudiando la creación de jerga moderna.
C1 noun /ˈnɒs.trɪl/

Nostril

fosa nasal
Meaning
either of the two openings in the nose through which air passes
Example
The doctor checked each nostril for any blockage.
El doctor revisó cada fosa nasal en busca de cualquier obstrucción.
C2 noun /njuːˈmɪzmətɪst/

numismatist

numismático
Meaning
A person who studies or collects coins, paper currency, and medals.
Example
The numismatist displayed his rare coin collection at the exhibition.
El numismático exhibió su rara colección de monedas en la exposición
C1 noun njuːˈtræl.ə.ti

neutrality

neutralidad
Meaning
The state of not supporting or helping either side in a conflict, disagreement, etc.; impartiality.
Example
Neutrality fosters trust in decision-making.
La neutralidad fomenta la confianza en la toma de decisiones.
C2 adjective /ˈnjuː.mər.ə.bəl/

Numerable

contable; numerable
Meaning
capable of being counted; countable
Example
The stars in the sky are not numerable.
Las estrellas en el cielo no son numerables.
A2 adjective /niːt/

Neat

limpio y ordenado; bien organizado; hecho cuidadosamente
Meaning
clean and tidy; well-organized; carefully done
Example
Her room is always neat and organized.
Su habitación siempre está limpia y organizada.
C1 verb /nɪˈɡeɪt/

negate

negar, invalidar
Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
Las nuevas pruebas invalidarán las afirmaciones hechas anteriormente.
B2 adjective /ˈneɪbərɪŋ/

neighboring

vecino
Meaning
situated near or next to another place; adjacent or nearby.
Example
They visited a neighboring village for the festival.
Visitaron un pueblo vecino para el festival.
C2 noun /ˈnɛkrəˌmænsər/

necromancer

necromante
Meaning
a person who practices necromancy; a wizard or magician who claims to communicate with the dead
Example
The villagers feared the old necromancer who lived at the edge of the forest.
Los aldeanos temían al viejo necromante que vivía al borde del bosque.
C2 adjective /ˈneb.jə.ləs/

Nebulous

vago; poco claro; nebuloso
Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
Sus planes para el futuro siguen siendo nebulosos y poco claros.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

neurocognitivo
Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
Las funciones neurocognitivas disminuyen debido a la falta de sueño.
A2 noun /nɔɪz/

Noise

ruido
Meaning
a sound, especially one that is loud or unpleasant
Example
The noise from the construction site was very disturbing.
El ruido del sitio de construcción era muy molesto.
C1 noun /nɑːtʃ/

notch

muesca
Meaning
A small cut or groove on the edge or surface of something; a level or degree of achievement.
Example
He carved a notch on the stick to mark the days.
Hizo una muesca en el palo para marcar los días.
C2 adjective /ˈnɒmɪk/

nomic

relacionado con la ley
Meaning
Relating to laws, rules, or systems.
Example
The philosopher discussed the nomic necessity of natural laws.
El filósofo discutió la necesidad nómica de las leyes naturales.
C1 noun /ˈnɑː.sɪ.sɪ.zəm/

narcissism

narcisismo
Meaning
Excessive interest in or admiration of oneself; extreme selfishness.
Example
His excessive narcissism made it difficult for him to empathize with others.
Su exceso de narcisismo le dificultaba empatizar con los demas.
C1 adjective ˌnɒnˈvɜːr.bəl

nonverbal

no verbal
Meaning
Communication using body language, facial expressions, or gestures instead of words
Example
Nonverbal cues play a crucial role in effective communication.
Las señales no verbales juegan un papel crucial en la comunicación efectiva.
C1 noun /ˈneɪ.vəl fɔːrs/

Naval Force

fuerzas navales
Meaning
the branch of a nation's armed services that conducts military operations at sea
Example
The naval force protected the country's coastline from enemy attacks.
Las fuerzas navales protegieron la costa del país de los ataques enemigos
A1 noun /noʊz/

nose

nariz
Meaning
the part of the face that contains the nostrils and is used for breathing and smelling
Example
He has a sharp nose and can smell things from far away.
Él tiene una nariz afilada y puede oler las cosas desde lejos.
C2 noun /ˌniːoʊˈdɑːrwɪnɪzəm/

neo-darwinism

neodarwinismo
Meaning
A modern interpretation of Darwin's theory of evolution, integrating genetics and natural selection.
Example
Neo-Darwinism combines Darwin’s theory of natural selection with modern genetics.
El neodarwinismo combina la teoría de selección natural de Darwin con la genética moderna.
B2 adjective /ˈneɪvəl/

naval

naval
Meaning
relating to a country's navy or military ships
Example
The country invested heavily in naval defense.
El país invirtió fuertemente en defensa naval.
A2 pronoun /nʌn/

none

ninguno
Meaning
not any; no one; not one
Example
None of the students passed the exam.
Ningún estudiante aprobó el examen.
B1 noun /ˈnaɪt.meər/

Nightmare

pesadilla
Meaning
a frightening or unpleasant dream; a very unpleasant experience
Example
The exam was a complete nightmare for unprepared students.
El examen fue una pesadilla completa para los estudiantes no preparados.
C2 noun, adjective /nɒn ˈkɒmbətənt/

non-combatant

no combatiente
Meaning
a person not engaged in fighting during a war, such as civilians or medical staff
Example
The Red Cross workers were treated as non-combatants in the conflict.
Los trabajadores de la Cruz Roja fueron tratados como no combatientes en el conflicto.
A2 noun /ˈneɪ.bər/

Neighbour

vecino; de al lado
Meaning
a person who lives near or next to another person
Example
My neighbour is very friendly and helpful.
Mi vecino es muy amigable y servicial.
C1 adjective /ˈnjuː.ɑːnst/

nuanced

matizado
Meaning
Characterized by subtle shades of meaning or expression; having fine gradations of meaning, tone, or feeling.
Example
His analysis of the novel was highly nuanced.
Su análisis de la novela fue muy matizado.
A1 adjective /nɛkst/

next

siguiente
Meaning
immediately following in time, order, or place
Example
The next train leaves at 9:00 AM.
El siguiente tren sale a las 9:00 AM.
B2 verb /ˈnoʊtɪfaɪ/

notify

notificar
Meaning
to inform someone officially about something
Example
The manager will notify the staff about the schedule change.
El gerente notificará al personal sobre el cambio de horario.
C2 noun /ˈnaɪəlɪst/

nihilist

nihilista
Meaning
A person who rejects all religious and moral principles, often believing that life is meaningless.
Example
He was called a nihilist for rejecting all social norms.
Se le llamó nihilista por rechazar todas las normas sociales.
C1 noun /ˈnɔːrməlsi/

normalcy

normalidad
Meaning
The condition of being normal; a return to usual or expected conditions.
Example
After the flood, the town struggled to regain a sense of normalcy.
Después de la inundación, la ciudad luchó por recuperar un sentido de normalidad.
A2 adverb /ˈnɪərli/

Nearly

casi; casi;
Meaning
almost; not quite; very close to
Example
I nearly missed the bus this morning.
Casi perdí el autobús esta mañana.
C2 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

nomenclatura
Meaning
A system of names or terms used in a particular science, art, or field.
Example
The chemical nomenclature can be difficult for beginners to understand.
La nomenclatura química puede ser difícil para los principiantes de entender.
B2 noun /ˈnɒvəlɪst/

novelist

novelista
Meaning
a person who writes novels
Example
The novelist spent years writing his new book.
El novelista pasó años escribiendo su nuevo libro.
C1 adjective /ˈnɒm.ɪ.nəl/

Nominal

nominal; muy pequeño
Meaning
very small in size or amount; existing in name only
Example
He paid only a nominal fee for the membership since he was a student.
Él pagó solo una tarifa nominal por la membresía porque era estudiante.
B1 noun /neɪl/

Nail

clavo
Meaning
a small metal spike with a broadened flat head; part of finger or toe
Example
He hammered the nail into the wooden board.
Clavó el clavo en la tabla de madera.
C2 adjective /ˈnjuː.ɡə.tɔːr.i/

nugatory

inútil
Meaning
Of little or no value; worthless or insignificant.
Example
His efforts were nugatory and did not change the outcome.
Sus esfuerzos fueron inútiles y no cambiaron el resultado.
A2 pronoun /ˈnoʊˌbɑːdi/

nobody

nadie
Meaning
no person; not anyone
Example
Nobody came to the party.
Nadie vino a la fiesta.
B2 adverb /ˌnʌnðəˈlɛs/

nonetheless

sin embargo
Meaning
in spite of that; nevertheless
Example
It was raining, but nonetheless, they went hiking.
Estaba lloviendo, pero sin embargo, fueron a hacer senderismo.
C1 noun /naɪˈiːvɪti/

naivety

ingenuidad
Meaning
The quality of being innocent, simple, and lacking experience or sophistication.
Example
Her naivety made her trust people too easily.
Su ingenuidad la hizo confiar en las personas demasiado fácilmente.
A2 adjective ˈnesəseri

necessary

necesario
Meaning
Required to be done, achieved, or present; essential.
Example
Strict regulations are necessary for maintaining order.
Las estrictas regulaciones son necesarias para mantener el orden.
C1 noun /ˈnɪkəl/

nickel

níquel
Meaning
a small coin, typically worth five cents in the United States
Example
He found a nickel on the ground.
Él encontró un níquel en el suelo.
B2 noun, adjective, adverb /ˌnɔːrθˈwest/

northwest

noroeste
Meaning
the direction that is between north and west; situated in or moving toward this direction
Example
Seattle is located in the northwest of the United States.
Seattle está ubicado en el noroeste de los Estados Unidos.
C2 noun /nɪb/

nib

punta de la pluma
Meaning
the pointed end of a pen used for writing or drawing
Example
He dipped the nib into the ink before writing.
Él sumergió la punta de la pluma en la tinta antes de escribir.
C2 noun /njʊˈrældʒə/

neuralgia

dolor neural
Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
El paciente sufre de neuralgia en su cara.
C1 noun /ˈnjuːtrɪənt dɪˈfɪʃənsi/

nutrient deficiency

deficiencia de nutrientes
Meaning
A lack of essential nutrients required for healthy plant growth, which can result in poor crop development, reduced yields, and increased susceptibility to diseases.
Example
Nutrient deficiency in the soil can reduce crop productivity.
La deficiencia de nutrientes en el suelo puede reducir la productividad de los cultivos.
C1 noun /noʊz rɪŋ/

Nose ring

anillo de nariz
Meaning
a piece of jewelry worn through a piercing in the nose
Example
She got a small gold nose ring for her birthday.
Ella consiguió un pequeño anillo de oro para su cumpleaños.
C2 noun /ˌnɒvəˈlɛt/

novellette

novelito
Meaning
A short novel or long short story.
Example
The author published a novellette as a preview of her upcoming series.
El autor publicó un novelito como adelanto de su próxima serie.
A1 adjective /njuː/

new

nuevo
Meaning
recently made, discovered, or introduced; not existing before
Example
He bought a new car yesterday.
Él compró un coche nuevo ayer.
B2 noun /ˈnoʊ.ʃən/

Notion

noción
Meaning
a conception or belief about something; an idea or opinion
Example
She had a strange notion that someone was following her.
Ella tenía una extraña noción de que alguien la estaba siguiendo.
B2 verb /nɪˈɡlekt/

neglect

descuidar
Meaning
to fail to care for or give attention to something
Example
Don't neglect your health while studying.
No descuides tu salud mientras estudias.
C2 verb /ˈnuːkliˌeɪt/

nucleate

nuclear
Meaning
to form into a nucleus or bring together into a central part
Example
The droplets began to nucleate around tiny particles in the air.
Las gotas comenzaron a nuclearse alrededor de pequeñas partículas en el aire.
B1 adjective /ˈneɪtɪv/

native

nativo
Meaning
Belonging to a person by birth; originating in a particular place.
Example
He is a native speaker of Bengali.
Él es un hablante nativo de bengalí.
C1 noun /ˈneb.jʊ.lə/

nebula

nebulosa
Meaning
A cloud of gas and dust in outer space, sometimes visible in the night sky.
Example
The Orion Nebula is one of the brightest in the sky.
La Nebulosa de Orión es una de las más brillantes en el cielo.
B2 noun /nɒsˈtæl.dʒə/

nostalgia

nostalgia
Meaning
A sentimental longing for the past, typically for a period or place with happy personal associations.
Example
Listening to old songs fills me with nostalgia.
Escuchar canciones antiguas me llena de nostalgia.
B2 adjective /njuːˈmɛrɪkəl/

numerical

numérico
Meaning
relating to or expressed in numbers
Example
The report provides numerical data on population growth.
El informe proporciona datos numéricos sobre el crecimiento de la población.
C2 noun /niːˈɒlədʒɪzəm/

neologism

neologismo
Meaning
A newly coined word or expression.
Example
The internet has given rise to many neologisms like 'selfie' and 'hashtag'.
Internet ha dado lugar a muchos neologismos como 'selfie' y 'hashtag'.
C1 adjective /ˈniːd.ləs/

Needless

innecesario
Meaning
unnecessary; not required; without purpose
Example
The argument was needless and could have been avoided.
La discusión fue innecesaria y podría haberse evitado.
A2 adjective /ˈnɔːti/

naughty

travieso
Meaning
Disobedient or mischievous, often in a playful or mildly bad way.
Example
The naughty child drew on the walls with crayons.
El niño travieso dibujó en las paredes con crayones.
C1 noun /ˈnʌr.ɪʃ.mənt/

nourishment

nutrición
Meaning
Food and nutrients necessary for the body's growth and development.
Example
Proper nourishment is essential for child development.
La nutrición adecuada es esencial para el desarrollo infantil.