neurogenesis
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C2 noun /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
C2 noun /ˌniːoʊˈdɑːrwɪnɪzəm/

neo-darwinism

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.
C2 adjective /ˈnɛðər/

nether

Meaning
situated down or below; lower
Example
They explored the nether regions of the cave.
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
A2 noun /niːs/

niece

Meaning
the daughter of one's brother or sister
Example
My niece is studying at the university this year.
A2 noun /ˈnefjuː/

nephew

Meaning
the son of one’s brother or sister
Example
My nephew is studying at the university.
C1 noun /noʊz rɪŋ/

Nose ring

Meaning
a piece of jewelry worn through a piercing in the nose
Example
She got a small gold nose ring for her birthday.
C1 noun /nɪl/

Nil

Meaning
nothing; zero; no amount
Example
His chances of winning were nil after the scandal.
C1 adverb /ˈnæroʊli/

Narrowly

Meaning
by a small margin; barely; in a limited way
Example
She narrowly escaped the accident.
C2 noun /naɪˈdʒel.ə/

Nigella

Meaning
small black seeds with a nutty, slightly bitter flavor, also known as black cumin or black seed
Example
Sprinkle nigella seeds on top of the bread before baking.
C1 verb /ˈnuːtər/

neuter

Meaning
To remove the reproductive organs of an animal; or having no gender.
Example
They decided to neuter their cat to prevent more kittens.
C1 noun /ˈneɪ.vəl fɔːrs/

Naval Force

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.
A2 adjective ˈnɛɡ.ə.tɪv

negative

Meaning
Not desirable or optimistic; harmful or unpleasant.
Example
She had a negative attitude about the upcoming project.
B1 noun /ˈneɪvi/

Navy

Meaning
the branch of armed forces that conducts military operations at sea
Example
He joined the navy after graduating from college.
A2 adverb /ˈnaʊədeɪz/

nowadays

Meaning
At the present time; in contrast with the past.
Example
Nowadays, many people prefer shopping online.
C1 adjective /ˌnɒn ɪɡˈzɪstənt/

non-existent

Meaning
not real or not present; lacking existence
Example
The supposed evidence turned out to be non-existent.
A2 noun /ˈnɛtˌwɜrk/

network

Meaning
A system of interconnected people, things, or computers.
Example
She built a strong professional network.
C1 noun /ˌnjʊə.roʊ.plæˈstɪs.ɪ.ti/

neuroplasticity

Meaning
The brain's ability to reorganize itself by forming new neural connections throughout life.
Example
Neuroplasticity allows the brain to rewire itself after an injury.
A2 noun /ˈnek.ləs/

Necklace

Meaning
a piece of jewelry that is worn around the neck
Example
She wore a beautiful diamond necklace to the party.
A1 noun /noʊz/

nose

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.
C1 adjective /ˈnɑːkʃəs/

noxious

Meaning
harmful, poisonous, or very unpleasant
Example
The factory released noxious fumes into the air.
A1 noun /naɪt/

night

Meaning
the time of darkness between one day and the next, when most people sleep
Example
She loves going for walks at night.
B2 verb /nɪˈɡlekt/

neglect

Meaning
to fail to care for or give attention to something
Example
Don't neglect your health while studying.
C2 adjective /ˈnɪɡərdli/

niggardly

Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
C2 noun /ˈnæfθə/

naphtha

Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
C2 noun /ˈnaɪɪˌlɪzəm/

nihilism

Meaning
The rejection of all religious and moral principles, often in the belief that life is meaningless.
Example
The philosopher was criticized for promoting nihilism.
C2 noun /ˌniːoʊˈlætɪn/

neo-latin

Meaning
The use of Latin language for scholarly, scientific, and literary purposes after the medieval period.
Example
Many scientific names are derived from Neo-Latin.
A2 adjective /ˈnɔːti/

naughty

Meaning
Disobedient or mischievous, often in a playful or mildly bad way.
Example
The naughty child drew on the walls with crayons.
C2 adjective /ˈnjuːmɪnəs/

numinous

Meaning
having a strong spiritual or mysterious quality
Example
The temple had a numinous atmosphere that inspired awe.
C2 noun /ˈnɪn.i/

Ninny

Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
B2 adjective /ˈneɪ.bər.ɪŋ/

Neighbouring

Meaning
situated next to or very near; adjacent; bordering
Example
We often visit our neighbouring countries for trade.
B2 adverb /ˈnæʃənəli/

nationally

Meaning
at the level of a whole nation; in a way that involves or affects an entire country
Example
The policy was implemented nationally to ensure equal benefits for all citizens.
C1 adjective /ˈnɔːtɪkəl/

nautical

Meaning
relating to ships, sailors, or navigation on water
Example
He studied nautical charts before setting sail.
A1 adjective /naɪs/

Nice

Meaning
pleasant; agreeable; satisfactory; good; attractive
Example
She wore a nice dress to the party.
C2 adjective /ˈnɔɪ.səm/

Noisome

Meaning
having an extremely offensive smell; harmful or unpleasant
Example
The noisome smell from the garbage made everyone cover their noses.
B2 adjective /ˈnoʊtəbl/

notable

Meaning
worthy of attention or notice; remarkable
Example
She made a notable contribution to the project.
C1 noun /nuːs/

Noose

Meaning
a loop with a running knot used for hanging; a trap or snare
Example
The cowboy made a noose to catch the wild horse.
A1 noun /noʊˈvɛmbər/

november

Meaning
the eleventh month of the year in the Gregorian calendar
Example
November is often cool and quiet before winter begins.
B1 noun/adjective /ˈnɒvəl/

novel

Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
C2 noun /nɑnˈen.tə.ti/

Nonentity

Meaning
a person of no importance or influence; something that does not exist
Example
He felt like a nonentity in the large corporation.
C1 noun /ˈnaɪt.fɔːl/

nightfall

Meaning
the time when night begins; dusk
Example
They decided to return home before nightfall.
C1 noun ˈnuːkliəs

nucleus

Meaning
The central core of an atom containing protons and neutrons.
Example
The nucleus consists of protons.
A2 adverb /ˈnɪərli/

Nearly

Meaning
almost; not quite; very close to
Example
I nearly missed the bus this morning.
C2 noun /nəˈkrɒpəlɪs/

necropolis

Meaning
a large ancient cemetery with elaborate tombs
Example
The archaeologists discovered artifacts in the necropolis of the ancient city.
C1 adjective /nɪˈɡoʊ.ʃi.ə.bəl/

negotiable

Meaning
Open to discussion or modification; capable of being bargained for.
Example
The salary offered is negotiable.
B2 adjective /ˈneɪ.kɪd/

Naked

Meaning
without clothes or covering; bare; exposed; unclothed
Example
The naked truth about the situation shocked everyone.
B2 adverb /ˈnoʊtəbli/

notably

Meaning
used to indicate something worthy of attention or significant
Example
She is notably talented in painting.
B2 noun ˈneɪʧər ɪnˈθjuːziæsts

Nature Enthusiasts

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.
B1 noun /ˌnæʃəˈnæləti/

nationality

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.
C1 noun njuːˈtræl.ə.ti

neutrality

Meaning
The state of not supporting or helping either side in a conflict, disagreement, etc.; impartiality.
Example
Neutrality fosters trust in decision-making.
C1 adjective /ˈnɒm.ɪ.nəl/

Nominal

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.
C2 noun /niːp/

neap

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.
C1 preposition/adverb/conjunction /ˌnɒtwɪθˈstændɪŋ/

notwithstanding

Meaning
In spite of; despite
Example
Notwithstanding the challenges, the team completed the project.
C2 noun /njuːˈmɪzmətɪst/

numismatist

Meaning
A person who studies or collects coins, paper currency, and medals.
Example
The numismatist displayed his rare coin collection at the exhibition.
C2 noun /ˈnɒn.ɪʤ/

Nonage

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.
C1 adjective /ˈnɪmbəl/

nimble

Meaning
Quick and light in movement or thought.
Example
The dancer’s nimble steps impressed the audience.
B2 verb /nɪˈɡoʊ.ʃi.eɪt/

negotiate

Meaning
To discuss something formally in order to reach an agreement.
Example
They negotiated a fair deal with the supplier.
C1 noun /ˈnjʊə.rəʊ.trænsˌmɪt.ərs/

neurotransmitters

Meaning
Chemical messengers that transmit signals across nerve synapses, affecting mood, behavior, and cognitive functions.
Example
Serotonin and dopamine are key neurotransmitters affecting mood.
A1 adverb /ˈnɛvər/

never

Meaning
at no time in the past or future; not ever
Example
I have never seen such a beautiful sunset.
A1 verb /neɪm/

name

Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
C1 noun /niːʃ/

Niche

Meaning
A specialized segment of the market for a particular kind of product or service.
Example
Finding the right niche is key to a successful business.
B1 noun /ˈnɜːrsɪŋ/

nursing

Meaning
the profession or practice of caring for the sick or injured
Example
She is studying nursing to become a healthcare professional.
B2 adjective /ˈnoʊtɪsəbl/

noticeable

Meaning
Easily seen, observed, or recognized.
Example
There was a noticeable improvement in her performance.
C2 noun /ˈniːəˌfaɪt/

neophyte

Meaning
A beginner or novice in a subject, skill, or belief.
Example
As a neophyte in programming, she often asked for guidance from her mentor.
B2 verb /ˈnæv.ɪ.ɡeɪt/

navigate

Meaning
To plan and direct the route or course of a ship, aircraft, or other form of transport.
Example
The GPS helps navigate complex routes.
C1 adjective /ˈnɔːʃəs/

nauseous

Meaning
feeling like you are about to vomit; causing a feeling of sickness
Example
The smell of rotten food made her feel nauseous.
C1 noun /nɪərˈvɑːnə/

nirvana

Meaning
A state of perfect happiness, peace, and freedom from suffering; in Buddhism, the ultimate goal of liberation.
Example
Meditation helps some people seek nirvana in their lives.
C2 noun /nɛˈkroʊsɪs/

necrosis

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.
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
C2 noun /ˌnjuːməˈreɪʃən/

numeration

Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
C2 noun /ˈnʌnəri/

nunnery

Meaning
A convent or building where nuns live and work.
Example
She decided to join the nunnery to devote her life to spiritual practice.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
C1 adjective /ˌnjʊə.rəˈlɒdʒ.ɪ.kəl/

neurological

Meaning
Relating to the anatomy, functions, and organic disorders of nerves and the nervous system.
Example
Meditation has positive neurological effects on mental health.
A2 adverb /ˈnaɪsli/

nicely

Meaning
in a pleasant, kind, or satisfactory manner; carefully and appropriately
Example
She explained the problem nicely so everyone could understand.
C2 noun /nɪb/

nib

Meaning
the pointed end of a pen used for writing or drawing
Example
He dipped the nib into the ink before writing.
C2 noun /ˈneɪˌseɪ.ɪŋ/

naysaying

Meaning
The act of expressing negative or pessimistic views.
Example
His constant naysaying discouraged the team.
B2 noun /ˈnoʊ.ʃən/

Notion

Meaning
a conception or belief about something; an idea or opinion
Example
She had a strange notion that someone was following her.
B2 verb /ˈnoʊtɪfaɪ/

notify

Meaning
to inform someone officially about something
Example
The manager will notify the staff about the schedule change.
B2 noun ˈnætʃərəl ˈhæbɪtæt

Natural Habitat

Meaning
The natural environment where organisms live and fulfill their life needs.
Example
Protecting the natural habitat is crucial for butterflies.
C2 noun /ˈneɪdɪər/

nadir

Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
C1 verb /nɪp/

nip

Meaning
to pinch or bite lightly; to move quickly
Example
The cold wind nipped at my face.
C1 verb /ˈnɛsəl/

nestle

Meaning
to settle or lie comfortably within or against something
Example
The child nestled into her mother's arms.
A2 noun (plural) /ˈnuːdəlz/

noodles

Meaning
long, thin strips of dough made from flour, water, or eggs, cooked and eaten as food
Example
She cooked noodles with vegetables for dinner.
C2 verb /ˈnɪɡəl/

niggle

Meaning
to cause slight but persistent annoyance, discomfort, or worry
Example
A small doubt niggled at her mind.
A2 adjective /ˈnæʃənəl/

national

Meaning
relating to a nation, especially its culture, language, or government
Example
The national anthem was played at the ceremony.
C1 verb /nɪˈɡeɪt/

negate

Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
B2 verb /ˈnɒmɪneɪt/

nominate

Meaning
to propose someone for a position or award
Example
The committee decided to nominate her for the award.
C2 verb /ˈnuːkliˌeɪt/

nucleate

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.
B2 adjective /ˈnær.ə.tɪv/

Narrative

Meaning
relating to storytelling; descriptive; telling a story; recounting events
Example
The narrative structure of the novel was quite complex.
B2 adjective /ˈneɪbərɪŋ/

neighboring

Meaning
situated near or next to another place; adjacent or nearby.
Example
They visited a neighboring village for the festival.
C1 noun /ˈnɒnʃələns/

nonchalance

Meaning
A relaxed and calm state, showing lack of concern or interest.
Example
She answered the tough questions with surprising nonchalance.
C1 verb /ˈnʌrɪʃ/

nourish

Meaning
To provide with food or other substances necessary for growth, health, and good condition
Example
Good books nourish the mind.
C2 noun /næˈteɪʃən/

natation

Meaning
The act or sport of swimming.
Example
She took lessons in natation to improve her swimming skills.
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
C1 noun /nɑːtʃ/

notch

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.
C1 noun /ˈnɜr.tʃər/

Nurture

Meaning
the process of caring for and encouraging growth or development
Example
Good parenting involves both nature and nurture.
C2 adjective /ˈneb.jə.ləs/

Nebulous

Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
C2 noun /niːˈɒkrəsi/

neocracy

Meaning
A government or leadership run by inexperienced or new officials.
Example
The sudden revolution led to a neocracy with inexperienced leaders.
B1 noun /nest/

Nest

Meaning
a structure built by birds to lay eggs and shelter their young
Example
The bird built a nest in the tree.
C2 noun /ˈnes.lɪŋ/

Nestling

Meaning
a young bird that has not yet left its nest
Example
The mother bird fed the hungry nestling with worms.
B2 verb /ˈnæreɪt/

narrate

Meaning
To tell a story or describe events, often in detail.
Example
She will narrate the events of her journey to the audience.
A1 adjective /nɛkst/

next

Meaning
immediately following in time, order, or place
Example
The next train leaves at 9:00 AM.
C1 adjective /ˈnɔɪz.ləs/

Noiseless

Meaning
making no sound; completely silent
Example
She moved through the house in noiseless steps so as not to wake the baby.
C1 adjective /ˌniːoʊˈlɪθɪk/

neolithic

Meaning
Relating to the later part of the Stone Age, when ground or polished stone weapons and tools prevailed.
Example
Neolithic communities began practicing agriculture and domesticating animals.
B1 adverb /ˈnjuːli/

newly

Meaning
in a new or recent manner
Example
She has newly renovated her house.
B1 noun /neɪl/

Nail

Meaning
a small metal spike with a broadened flat head; part of finger or toe
Example
He hammered the nail into the wooden board.
B2 noun ˌnæv.ɪˈɡeɪ.ʃən

navigation

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.
C2 noun /niˈɒlədʒi/

neology

Meaning
The use of new words or the study of their origin.
Example
The professor specialized in neology, studying the creation of modern slang.
B2 adverb /ˌnʌnðəˈlɛs/

nonetheless

Meaning
in spite of that; nevertheless
Example
It was raining, but nonetheless, they went hiking.
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

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.
C2 noun, adjective /nɒn ˈkɒmbətənt/

non-combatant

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.
B2 noun /nʌn/

Nun

Meaning
a woman who has taken vows in a religious order and lives in a convent
Example
The nun taught at the local Catholic school.
C1 noun /ˈnjuːɑːns/

nuance

Meaning
A subtle difference in shade of meaning, appearance, or sound.
Example
He noticed the subtle nuance in her expression.
C1 noun /noʊˈteɪʃən/

notation

Meaning
A system of symbols or signs used to represent information, especially in mathematics or music.
Example
The teacher explained the notation used in the algebra equations.
B2 noun /ˈnɪk.neɪm/

Nickname

Meaning
a familiar or humorous name given to a person instead of their real name
Example
His nickname is 'Tiger' because he's so brave.
A2 conjunction /nɔːr/

nor

Meaning
used to introduce a negative clause after a negative statement
Example
He didn't call, nor did he send a message.
C1 noun /nɪˈɡeɪʃən/

negation

Meaning
The act of denying something; the contradiction or absence of something.
Example
The theory is built on the negation of traditional beliefs.
B1 adverb /ˌnesəˈserəli/

Necessarily

Meaning
as a necessary result; inevitably; by logical consequence
Example
Rich people are not necessarily happy.
B1 noun /nuːn/

noon

Meaning
12 o'clock in the daytime; midday
Example
The meeting will start at noon.
A2 verb /nɜːrs/

nurse

Meaning
to care for someone who is sick or injured; to feed a baby
Example
She nursed her sick mother back to health.