photometer
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 Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
C2 noun /ˌfoʊˈtɑːmɪtər/

photometer

Meaning
an instrument for measuring the intensity of light
Example
The scientist used a photometer to measure the light in the laboratory.
A2 noun /ˈprɒd.ʌkt/

Product

Meaning
something that is manufactured or produced; the result of a process
Example
The company launched a new product in the market.
C1 noun /prɒɡˈnoʊsɪs/

prognosis

Meaning
A forecast of the likely outcome of a disease or situation.
Example
The doctor gave a positive prognosis for the patient's recovery.
C1 adjective /prəˈfeɪn/

profane

Meaning
showing disrespect or contempt for sacred things; irreverent or vulgar
Example
His jokes were considered too profane for the ceremony.
B1 noun /ˈpɔːtrət/

portrait

Meaning
a painting, drawing, photograph, or engraving of a person, especially one showing the face
Example
The artist painted a beautiful portrait of his wife.
C2 verb /ˈpælpɪˌteɪt/

palpitate

Meaning
to beat rapidly and strongly, often because of fear, excitement, or illness
Example
Her heart began to palpitate with fear.
B2 adjective /prəˈfɪʃ.ənt/

proficient

Meaning
Competent or skilled in doing or using something; having great knowledge or experience.
Example
She is highly proficient in multiple languages.
C1 noun /ˈproʊbeɪt/

probate

Meaning
the official proving of a will in a court of law
Example
The family had to go through probate after his death.
C2 noun /pluːˈtɒkrəsi/

plutocracy

Meaning
a system of government where the wealthy hold power
Example
The country was ruled as a plutocracy.
B1 noun, verb /paʊnd/

pound

Meaning
a unit of weight equal to 16 ounces or a unit of currency
Example
The price of the book is five pounds.
C2 noun /ˌpraɪvəˈtɪə/

privateer

Meaning
A privately owned armed ship authorized by a government to attack enemy ships during war.
Example
The privateer captured several enemy vessels during the conflict.
B2 noun

Patriot

B2 verb /pərˈsɪst/

persist

Meaning
to continue firmly in an action or opinion despite difficulty or opposition
Example
She decided to persist in her efforts to learn French.
C1 verb /ˈpændər/

pander

Meaning
to indulge or exploit the weaknesses, desires, or immoral tendencies of others
Example
The politician was accused of pandering to voters' fears.
C1 adjective /pɪˈkjuːniˌɛri/

pecuniary

Meaning
relating to money or financial matters
Example
They faced pecuniary difficulties after the business failed.
C2 noun /ˈpærəmʊr/

paramour

Meaning
a lover, especially an illicit one
Example
The secret paramour was finally revealed.
C2 noun /ˈproʊbɪti/

probity

Meaning
The quality of having strong moral principles; honesty and decency.
Example
The judge was admired for his integrity and probity.
C2 noun /ˈpoʊtənˌteɪt/

potentate

Meaning
A monarch or ruler, especially one with absolute power.
Example
The ancient land was ruled by a powerful potentate.
C1 adjective /prəˈpɔːrʃənət/

proportionate

Meaning
Corresponding in size, degree, or intensity; balanced in relation.
Example
The punishment should be proportionate to the crime.
C1 adjective /prəˈmɪskjuəs/

promiscuous

Meaning
Having or showing a casual and unselective approach, often used to describe indiscriminate sexual relationships.
Example
The novel depicts a character with a promiscuous lifestyle.
C2 verb /prəˈpaʊnd/

propound

Meaning
To put forward an idea, theory, or point for consideration.
Example
The professor propounded a new theory on climate change.
C1 verb /pɜːrdʒ/

purge

Meaning
To remove unwanted feelings, people, or things; to cleanse or purify.
Example
The new leader promised to purge corruption from the government.
C2 adjective /ˈpjuːtətɪv/

putative

Meaning
commonly accepted or supposed; generally regarded as such
Example
He is the putative father of the child.
C2 noun /proʊˈbɑːsɪs/

proboscis

Meaning
The long, flexible nose of some animals, especially an elephant, or a tubular feeding and sucking organ in insects.
Example
The elephant used its proboscis to grab food.
C1 adjective /ˈpælpəbl̩/

palpable

Meaning
easily perceived or felt; so intense as to seem almost tangible
Example
There was a palpable sense of excitement in the room.
C2 noun /ˈpɛtrəˌɡræf/

petrograph

Meaning
a description or representation of rocks, especially in detailed scientific writing
Example
The scientist studied the petrograph to understand the rock composition.
B1 noun /ˈpeɪstri/

pastry

Meaning
a baked food product made from flour, fat, and water, often sweet or savory
Example
I bought a box of fresh pastries for breakfast.
B2 verb /pərˈsiːv/

perceive

Meaning
to become aware of or understand something through the senses
Example
I perceive a change in his attitude.
C1 noun /ˈpæŋkriəs/

pancreas

Meaning
A gland in the abdomen that produces insulin and digestive enzymes.
Example
The pancreas plays a vital role in digestion and blood sugar regulation.
C2 adjective /ˈpɛnɪtrəbl/

penetrable

Meaning
Capable of being passed through or entered.
Example
The thin wall was easily penetrable.
C1 noun /ˈpleɪˌraɪt/

playwright

Meaning
a person who writes plays
Example
Shakespeare is considered the greatest playwright of all time.
B2 noun /ˈpɒlən/

pollen

Meaning
fine powder produced by flowers, used in fertilization
Example
Bees collect pollen from flowers to make honey.
A1 noun, verb /pleɪs/

place

Meaning
a particular position or location; to put something in a specific position
Example
She placed the books on the table.
C1 adjective /ˈpɛndənt/

pendent

Meaning
hanging down or suspended
Example
The pendent branches touched the ground.
C2 noun/adjective /prɪˈsɪpɪtənt/

precipitant

Meaning
As a noun: a substance that causes a substance to be deposited from a solution; as an adjective: acting hastily or impulsively.
Example
The chemist added a precipitant to the solution to observe the reaction.
B2 noun /ˈpæθweɪ/

pathway

Meaning
a route or course along which something travels or progresses
Example
The narrow pathway led to the hidden garden.
C1 verb /ˈprɒfəsaɪ/

prophesy

Meaning
to state or predict that something will happen in the future, especially as if divinely inspired
Example
The monk prophesied that peace would return to the land.
B2 noun /ˌpʌɪ.əˈnɪr/

Pioneer

Meaning
a person who is among the first to explore or settle a new area; someone who develops new ideas or methods
Example
She was a pioneer in the field of computer science.
C1 verb /prəˈfes/

profess

Meaning
to declare or claim openly; to state one's belief
Example
He professes his love for classical music.
A2 noun; adverb /pərˈsɛnt/

percent

Meaning
a proportion out of one hundred; by each hundred
Example
Sales increased by ten percent this year.
C1 noun ˈprəʊses stəˈbɪlɪti

process stability

Meaning
The consistency and steadiness of biological or functional processes
Example
Cold air ensures process stability in plants.
C1 adjective /pəˈnɪnsjələr/

peninsular

Meaning
Relating to or resembling a peninsula.
Example
The peninsular region is surrounded by water on three sides.
A2 noun /ˈpæs.ən.dʒər/

Passenger

Meaning
A person who travels in a vehicle but is not driving it
Example
The bus can carry thirty passengers.
C1 adjective ˈpɪv.ə.təl

pivotal

Meaning
Of crucial importance in relation to the development or success of something else.
Example
Renewable energy plays a pivotal role in sustainability.
B2 noun /ˈpen neɪm/

Pen-name

Meaning
a fictitious name used by an author instead of their real name; a pseudonym
Example
Mark Twain was the pen-name of Samuel Clemens.
C1 noun /pəˈnæʃ/

panache

Meaning
Flamboyant confidence of style or manner; distinctive and stylish elegance.
Example
He delivered his speech with great panache.
B2 verb /pəˈtroʊl/

patrol

Meaning
to move around an area to watch or guard it
Example
The police patrol the streets at night to ensure safety.
C1 noun /ˈpɔːr.kjə.paɪn/

Porcupine

Meaning
a large rodent with defensive spines or quills on its body
Example
The porcupine raised its quills when threatened.
B1 adverb /prɪˈsaɪs.li/

precisely

Meaning
In an exact and accurate manner, with attention to detail.
Example
The robotic arm performed the operation precisely.
B2 noun /ˌpɪə.riˈɒd.ɪ.kəl/

periodical

Meaning
a magazine or journal published at regular intervals
Example
She subscribed to a science periodical.
B2 verb /pərˈsuː/

pursue

Meaning
to follow or chase with the intent to catch or achieve something
Example
She decided to pursue her dreams of becoming a doctor.
B2 verb /prɪˈveɪl/

prevail

Meaning
To prove more powerful or superior; to be widespread or common.
Example
Justice will always prevail over injustice.
B2 verb /priːtʃ/

preach

Meaning
to deliver a religious or moral talk, often in a church setting
Example
The pastor preached about forgiveness and kindness.
B2 noun /ˈpɒm.ɪˌɡræn.ɪt/

Pomegranate

Meaning
a round fruit with thick red skin containing many small red seeds with juice
Example
The pomegranate seeds were sweet and refreshing.
C2 noun /pɪˈdɒl.ə.dʒi/

pedology

Meaning
The study of soils in their natural environment.
Example
Pedology helps scientists understand soil fertility.
C1 adjective /pərˈsɛptɪv/

perceptive

Meaning
Having or showing keen insight, understanding, or awareness.
Example
She is very perceptive and quickly notices when something is wrong.
B2 noun /ˈpriːmiəm/

premium

Meaning
an amount of money paid regularly for an insurance policy; something of superior quality or value
Example
You need to pay your insurance premium every year.
C2 noun /ˈprɑːflɪɡəsi/

profligacy

Meaning
reckless wastefulness or extravagance
Example
His profligacy with money led him to bankruptcy.
B2 noun /pʌls/

Pulse

Meaning
edible seeds of leguminous plants such as lentils, beans, and peas
Example
Pulses are an excellent source of protein for vegetarians.
A2 noun ˈprəʊɡres

progress

Meaning
Forward or onward movement towards a destination or a more advanced state.
Example
Progress in recycling technologies can tackle pollution.
C2 adjective /njuːˈmætɪk/

pneumatic

Meaning
operated by air or gas under pressure
Example
The factory uses pneumatic tools for assembly.
C2 adjective /pərˈsɪpiənt/

percipient

Meaning
Having good understanding or insight; able to perceive things clearly.
Example
As a percipient critic, she recognized the deeper meaning of the play.
B2 noun, verb /ˈpɛdəl/

pedal

Meaning
A foot-operated lever for powering or controlling a mechanism, especially on a bicycle.
Example
He pressed down hard on the bicycle pedal.
C2 noun, verb /ˌpæm.fləˈtɪər/

pamphleteer

Meaning
a person who writes or distributes pamphlets, often to promote a political or social cause
Example
In the 18th century, many pamphleteers influenced public opinion.
B1 verb /pərˈsweɪd/

persuade

Meaning
to convince someone to do or believe something through reasoning or argument
Example
He persuaded his friend to join the club.
C1 noun ˈpraʊ.es

prowess

Meaning
Skill or expertise in a particular activity or field.
Example
Prowess in sports enhances team strength.
C1 noun /plaɪt/

Plight

Meaning
a dangerous, difficult, or unfortunate situation
Example
The refugees were in a desperate plight.
C2 adjective /ˌfærɪˈseɪɪkəl/

pharisaical

Meaning
Excessively concerned with formal rules or outward show of morality, often in a hypocritical way.
Example
His pharisaical behavior made people doubt his sincerity.
C2 noun /ˈplɛdʒɔːr/

pledgeor

Meaning
a person who gives or offers a pledge or security
Example
The bank accepted the jewelry from the pledgeor as collateral for the loan.
C1 noun /ˈpraɪ.meɪt/

primate

Meaning
A member of the group of animals including humans, apes, and monkeys.
Example
Humans are classified as primates.
C2 verb /ˈpjuːtrɪfaɪ/

putrefy

Meaning
to decay or rot, producing a foul smell
Example
The meat began to putrefy in the heat.
A2 adjective ˈpɒzətɪv

positive

Meaning
Having an electric charge opposite to that of an electron.
Example
Protons have a positive charge.
C1 verb /praʊl/

prowl

Meaning
To move around quietly and secretly, especially while hunting or searching.
Example
The cat prowled around the garden at night.
C2 noun /ˈplɛnɪtjuːd/

plenitude

Meaning
the condition of being full or abundant; a great quantity
Example
The garden was a plenitude of flowers in spring.
C1 noun /ˈpɜːrpɪtreɪtər/

perpetrator

Meaning
a person who commits a harmful, illegal, or immoral act
Example
The police arrested the perpetrator of the crime.
C1 adjective /ˌpɛd.əˈɡɒdʒ.ɪ.kəl/

pedagogical

Meaning
Relating to teaching and education; concerned with the methods and practice of teaching.
Example
The school adopted new pedagogical techniques to improve learning.
B2 noun /ˈpærɪʃ/

parish

Meaning
A local church community or the area served by a parish church.
Example
The parish gathered for Sunday service.
B2 noun /ˈfɪzɪsɪst/

physicist

Meaning
a scientist who studies or specializes in physics
Example
The physicist explained the theory of relativity to the students.
B2 adjective /ˈpæn.ɪ.ki/

Panicky

Meaning
feeling or showing panic; anxious and fearful
Example
The crowd became panicky when the fire alarm sounded.
C1 noun /prɪˈdɒmɪnəns/

predominance

Meaning
The state of being greater in number, strength, or importance.
Example
The predominance of online shopping has changed retail forever.
C2 noun /ˈpoʊ.ɪˌtæs.tər/

poetaster

Meaning
an inferior or trivial poet
Example
He was mocked as a poetaster by the literary critics.
C2 adjective /pɪˈskætɔːrɪəl/

piscatorial

Meaning
relating to fishing or fishermen
Example
He has a deep knowledge of piscatorial techniques and fish species.
B1 noun /pɜːrl/

Pearl

Meaning
a hard, lustrous object produced within the soft tissue of a shelled mollusk; used in jewelry
Example
She wore a beautiful pearl necklace to the wedding.
B2 noun /ˈpred.ə.ses.ər/

Predecessor

Meaning
a person who held a job or office before the current holder; something that came before another thing
Example
The new manager learned from his predecessor's mistakes.
B2 verb /ˈpɒndər/

ponder

Meaning
to think about something carefully
Example
She pondered over the meaning of the poem.
B1 noun /ˈpaɪ.lət/

Pilot

Meaning
a person who operates the controls of an aircraft
Example
The experienced pilot landed the plane safely during the storm.
B2 adjective /ˈpɑːr.ʃəl/

Partial

Meaning
incomplete; showing bias or prejudice
Example
The judge gave a partial decision in favor of the defendant.
C2 noun /ˌprɛsiˈɒsɪti/

preciosity

Meaning
Excessive refinement or affected elegance in language, style, or behavior.
Example
The author's preciosity made the novel difficult to read for some audiences.
C1 adjective /ˈpɑːr.dən.ə.bəl/

Pardonable

Meaning
able to be forgiven; excusable
Example
His mistake was pardonable given the difficult circumstances.
C1 adjective /ˈpɑːndərəs/

ponderous

Meaning
slow and clumsy because of great weight; dull and labored
Example
The ponderous lecture made it hard for students to stay awake.
C1 verb /ˈpɒstʃʊleɪt/

postulate

Meaning
to suggest or assume that something is true as the basis for reasoning or discussion
Example
Scientists postulate that life exists on other planets.
C2 adjective /prəˈvaɪzəri/

provisory

Meaning
conditional; depending on certain terms being met
Example
The arrangement was only provisory until the final contract was signed.
C2 noun /ˈpriːsɛpt/

precept

Meaning
A general rule intended to regulate behavior or thought.
Example
Honesty is a fundamental precept in all religions.
C1 verb /ˈprɪkəl/

prickle

Meaning
to cause a slight stinging or tingling sensation on the skin
Example
Her skin began to prickle in the cold wind.
C2 noun /pɪks/

pyx

Meaning
a small container, often used in Christian liturgy to carry the consecrated host
Example
The priest placed the consecrated host into the pyx before visiting the sick.
A2 adjective /ˈpraɪ.mɛr.i/

primary

Meaning
Most important; main; happening first.
Example
Education is a primary factor in economic growth.
C1 noun /ˈsaɪkiː/

psyche

Meaning
the human soul, mind, or spirit
Example
The novel explores the depths of the human psyche.
C1 adjective /prɪˈsɪpɪtəs/

precipitous

Meaning
Extremely steep or sudden; done quickly without careful consideration.
Example
The hikers struggled to climb the precipitous slope.
B2 adverb /ˈpɑrʃəli/

Partially

Meaning
to some extent; not completely; incompletely
Example
The building was only partially destroyed in the fire.
C2 adjective /pruːˈdɛnʃəl/

prudential

Meaning
involving or showing prudence, especially in financial or business matters
Example
The bank has set prudential rules to protect depositors.
C2 noun prəˈklɪv.ə.ti

proclivity

Meaning
A tendency to choose or do something regularly; an inclination or predisposition toward a particular thing.
Example
She has a proclivity for learning new languages.
C1 adjective /fəˈnɛtɪk/

phonetic

Meaning
relating to the sounds of speech or pronunciation
Example
The teacher taught the students the phonetic spelling of difficult words.
B1 noun /pəˈsɪf.ɪk ˈoʊ.ʃən/

Pacific Ocean

Meaning
The largest and deepest ocean on Earth, stretching from Asia to the Americas.
Example
The Pacific Ocean is the largest ocean on Earth.
C2 verb /ˈprɑː.məl.ɡeɪt/

promulgate

Meaning
To announce or make a law, decree, or idea officially known.
Example
The government promulgated new regulations on data privacy.
C1 noun /ˌpærəˈnɔɪə/

paranoia

Meaning
an irrational and persistent feeling that people are 'out to get you' or are constantly watching you
Example
His constant paranoia made it hard for him to trust anyone.
C1 adjective/verb /ˈprɒstreɪt/

prostrate

Meaning
lying stretched out on the ground with one's face downward, often as a sign of submission or exhaustion
Example
He lay prostrate on the ground after the long battle.
C1 adjective /ˈprɪnsəpəld/

principled

Meaning
acting in accordance with moral or ethical standards
Example
He is a principled leader who always puts honesty first.
C1 noun /pəˈrɪfəri/

periphery

Meaning
The outer edge or boundary of an area or object.
Example
The soldiers were stationed at the periphery of the camp.
C1 noun /pɒmp/

pomp

Meaning
ceremonial display or splendor; grandeur
Example
The graduation ceremony was full of pomp and circumstance.
B2 noun /ˈpjʊə.rɪ.ti/

Purity

Meaning
the state of being pure; cleanness or freedom from contamination
Example
The purity of the mountain water was remarkable.
C2 adjective /pəˈrɒnɪməs/

paronymous

Meaning
Words that are derived from the same root or sound alike.
Example
The words 'effect' and 'effective' are paronymous.
B2 noun /ˈproʊtəˌtaɪp/

prototype

Meaning
The first model or version of something, used as a sample for testing or improvement.
Example
The company built a prototype of the new smartphone before mass production.
B2 adjective /ˈpaʊərləs/

powerless

Meaning
without ability, influence, or strength
Example
She felt powerless against the unfair system.
C1 noun /ˈprɛljuːd/

prelude

Meaning
An action, event, or statement that serves as an introduction to something more important.
Example
The small fight was only a prelude to a bigger conflict.
C2 noun /fɪˈlɒl.ə.dʒɪst/

philologist

Meaning
a person who studies languages and their history
Example
The philologist analyzed ancient texts to understand language evolution.
B2 noun /ˈpen.ʃən/

Pension

Meaning
a regular payment made to someone who is no longer working because of age or disability
Example
After retirement, he receives a monthly pension from the company.
B2 noun /pɔːrtʃ/

porch

Meaning
a covered area at the entrance of a building, often with a roof and open sides
Example
We sat on the porch and enjoyed the evening breeze.
C2 noun /prəˈfʌn.dɪ.ti/

profundity

Meaning
Deep insight; great depth of knowledge or thought.
Example
The profundity of his words left a lasting impact.
B2 noun /ˌprɒb.əˈbɪl.ə.ti/

Probability

Meaning
the likelihood that something will happen; a mathematical measure of how likely something is to occur
Example
There is a high probability of rain tomorrow.
A2 noun /ˈpær.ət/

Parrot

Meaning
a tropical bird with a curved beak and often brightly colored feathers that can be taught to speak
Example
The colorful parrot repeated everything the children said.
A2 noun /ˈprɪzən/

prison

Meaning
a building where people are kept as punishment for a crime or while waiting for trial
Example
He was sent to prison for his crimes.