photometry
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 /foʊˈtɑːmɪtri/

photometry

Meaning
the science of measuring visible light in terms of its perceived brightness to human eyes
Example
Photometry helps in designing efficient lighting systems.
C2 noun /poʊˈzɜːr/

poseur

Meaning
A person who pretends to be something they are not, often to impress others.
Example
Many considered him a poseur because he exaggerated his accomplishments.
C2 noun /pəˈnʌmbrə/

penumbra

Meaning
a partially shaded area around the shadow of an object, especially during an eclipse
Example
The moon’s penumbra created a dim shadow over the Earth.
B2 noun /ˈpɑː.tɪ.klz/

particles

Meaning
Minute portions of matter.
Example
PM2.5 particles harm respiratory health.
C2 adjective /ˌfoʊtoʊɪˈlɛktrɪk/

photoelectric

Meaning
relating to the emission of electrons or other free carriers when light shines on a material
Example
The photoelectric effect is fundamental in solar panels.
C2 verb /fɪˈlændər/

philander

Meaning
to engage in casual or frivolous romantic or sexual relationships
Example
He was known to philander with many women in town.
C1 adjective /pəˈleɪ.ʃəl/

palatial

Meaning
resembling a palace in being spacious and splendid
Example
They stayed in a palatial hotel during their vacation.
B2 noun /ˌprɒp.əˈɡæn.də/

Propaganda

Meaning
information spread to promote a particular political cause or point of view
Example
The government used propaganda to influence public opinion during the war.
C1 noun /ˈpælɪt/

pallet

Meaning
a flat wooden platform used for moving or storing goods; also a makeshift bed
Example
The boxes were stacked on a wooden pallet for easy transport.
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.
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 /præŋk/

prank

Meaning
A trick that is intended to be funny but not harmful.
Example
They played a harmless prank on their friend during the party.
B2 noun prɪˈsɪʒ.ən

precision

Meaning
The quality of being exact and accurate.
Example
High precision instruments are used in surgery.
C1 verb /pərˈplɛks/

perplex

Meaning
To confuse or puzzle someone.
Example
The complex instructions perplexed the students.
C2 adjective /ˈpɒndərəbl/

ponderable

Meaning
able to be considered or thought about
Example
The evidence was substantial and ponderable.
C1 noun /ˈpɛsəl/

pestle

Meaning
A heavy tool with a rounded end used for crushing or grinding substances in a mortar.
Example
She used a pestle to grind the spices.
C1 noun /pəˈrɪm.ɪ.tər/

perimeter

Meaning
the continuous line forming the boundary of a closed geometric figure or area
Example
The soldiers guarded the perimeter of the camp.
A2 noun /ˈfəʊtəɡrɑːf/

photograph

Meaning
a picture made using a camera
Example
She took a photograph of the sunset.
B2 noun /prəˈpɔːʃən/

proportion

Meaning
a part, share, or number considered in comparative relation to a whole
Example
The proportion of students passing the exam was high.
C1 noun /ˈpeɪtriɑːrk/

patriarch

Meaning
a male head of a family or tribe; an older respected man who leads a group
Example
As the family patriarch, he mediated disputes and kept long traditions alive.
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.
B2 noun /prəˈfɪʃənsi/

proficiency

Meaning
Competency or skill; expertise.
Example
His proficiency in multiple languages is remarkable.
B2 noun /fɪˈzɪʃən/

physician

Meaning
a person qualified to practice medicine; a doctor
Example
The physician prescribed some medicine to treat the condition.
B1 noun /ˈplʌm.ər/

plumber

Meaning
a person who installs or repairs water pipes
Example
The plumber fixed the leaking pipe in the kitchen.
B2 noun /ˈpɪt.ʃər/

Pitcher

Meaning
a large container with a handle and spout used for storing and pouring liquids
Example
The water pitcher on the table was filled with ice-cold lemonade.
C2 noun /ˈpjuːdʒɪlɪst/

pugilist

Meaning
A professional or skilled boxer.
Example
The pugilist entered the ring with confidence.
C2 noun /ˈpɪkəloʊ/

piccolo

Meaning
a small flute, higher in pitch than the regular flute
Example
She played a lively tune on the piccolo during the concert.
C2 noun /ˈpjuːɪsəns/

puissance

Meaning
Great power, strength, or influence.
Example
The empire showed its puissance through vast armies.
C1 noun /ˌpɜːsəˈnælɪzeɪʃən/

personalization

Meaning
The action of making something personal or individual; customization.
Example
Personalization in marketing improves customer engagement.
B2 verb /pæt/

pat

Meaning
to touch someone or something gently, often to show affection or approval
Example
She gently patted the dog on its head.
B1 noun /ˈpænəl/

panel

Meaning
a group of people gathered to discuss, judge, or advise on a particular topic
Example
The panel of judges announced the winner of the competition.
C1 noun /prəˈdʒɛktaɪl/

projectile

Meaning
An object fired, thrown, or propelled, especially from a weapon.
Example
The soldier dodged the incoming projectile.
C2 adjective /ˌpjuːsɪˈlænɪməs/

pusillanimous

Meaning
showing a lack of courage or determination; timid
Example
The pusillanimous leader avoided making tough decisions.
C1 noun /ˈpʌntʃ laɪn/

punch line

Meaning
The final part of a joke or story that makes it funny.
Example
Everyone laughed loudly at the punch line of his joke.
B2 noun pɪər ˈɪnfluəns

peer influence

Meaning
The effect that members of a peer group have on each other, especially in terms of behavior, attitudes, and decision-making.
Example
Peer influence can shape juvenile behavior significantly.
A1 noun ˈpɛrənts

Parents

Meaning
One's father and mother.
Example
The family tree starts with the child's parents.
C1 noun /ˌpriːməˈnɪʃən/ or /ˌprɛm-/

premonition

Meaning
a strong feeling that something is about to happen, often something negative
Example
She had a premonition of danger before the trip.
C1 noun /ˈpruːdəns/

prudence

Meaning
The quality of being cautious, wise, and exercising good judgment.
Example
She invested her money with great prudence.
C1 adjective /ˈplʌk.i/

plucky

Meaning
having or showing courage and determination
Example
The plucky child rescued the kitten from the tree.
C2 adjective /ˈprɒvɪdənt/

provident

Meaning
making or indicative of timely preparation for the future
Example
She was provident in saving money for her children’s education.
C1 noun /saɪˈkoʊsɪs/

psychosis

Meaning
A severe mental disorder in which thought and emotions are impaired, leading to a loss of contact with reality.
Example
The patient was diagnosed with psychosis after experiencing hallucinations.
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.
A1 noun/verb /pɛn/

pen

Meaning
A writing instrument using ink; also, to write something.
Example
She used a pen to sign the document.
C2 adjective /ˌpriːtərˈnætʃərəl/

preternatural

Meaning
Beyond what is normal or natural; extraordinary or supernatural.
Example
She had a preternatural ability to remain calm in any crisis.
C2 adjective /ˌpɪkəˈrɛsk/

picaresque

Meaning
relating to a style of fiction depicting the adventures of a roguish hero
Example
The novel is a picaresque tale of a clever vagabond.
C2 verb /pɜːrl/

purl

Meaning
To knit with a purl stitch; to flow with a murmuring sound (as a stream).
Example
The brook purled softly through the meadow.
C2 noun /ˌpɑːrtjʊˈrɪʃən/

parturition

Meaning
The act of giving birth; childbirth.
Example
The doctor explained the stages of parturition to the students.
B1 noun freɪzɪz

phrases

Meaning
A small group of words standing together as a conceptual unit, typically forming a component of a clause.
Example
Learn common phrases for daily use.
C1 adjective /ˈprɛdəˌtɔri/

predatory

Meaning
Relating to animals that prey on others; exploiting or victimizing others for personal gain.
Example
The predatory bird swooped down on its prey.
B2 noun /ˈpredʒ.ə.dɪs/

Prejudice

Meaning
preconceived opinion that is not based on reason or actual experience
Example
We must fight against prejudice and discrimination in our society.
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.
C1 noun /ˈprɛsɪpɪs/

precipice

Meaning
A very steep cliff or a situation of great danger.
Example
The hikers stood at the edge of the precipice, gazing into the valley below.
B2 adjective /ˈprɒb.ə.bəl/

Probable

Meaning
likely to happen; expected; plausible
Example
It is probable that it will rain tomorrow according to the weather forecast.
C2 noun /prɪˈsɛntɪmənt/

presentiment

Meaning
An intuitive feeling about the future, especially of something bad about to happen.
Example
He had a strong presentiment that the plan would fail.
C1 adjective /pɒˈstɪəriər/

posterior

Meaning
Situated at or toward the back; later in time.
Example
The posterior part of the brain controls vision.
C2 verb /pərˈveɪ/

purvey

Meaning
to supply or provide goods, services, or information, often as a business
Example
The company purveys organic food to health-conscious customers.
C2 noun /ˌpɜːrtərˈbeɪʃn/

perturbation

Meaning
A state of anxiety, disturbance, or disorder.
Example
The announcement caused a perturbation in the financial markets.
B2 adjective /ˈpraɪs.ləs/

Priceless

Meaning
extremely valuable; invaluable; beyond price
Example
Her grandmother's antique jewelry is absolutely priceless.
B2 adjective ˌpriːhɪˈstɒrɪk

prehistoric

Meaning
Belonging to the time before written records.
Example
The prehistoric era was marked by the rise of early humans.
B2 noun /ˈfɪʃ.ɪŋ/

phishing

Meaning
The fraudulent practice of sending emails purporting to be from reputable companies in order to induce individuals to reveal personal information.
Example
Phishing emails often trick people into revealing passwords.
B2 noun /ˈprəʊsesə/

processor

Meaning
a machine or device that processes something, especially a computer's central processing unit (CPU)
Example
The new laptop has a faster processor.
C1 verb /ˈpʌlseɪt/

pulsate

Meaning
to expand and contract rhythmically; to throb or beat
Example
The neon lights pulsated with a steady rhythm.
C1 adjective /ˈpɛnsɪv/

pensive

Meaning
Engaged in deep or serious thought.
Example
She looked pensive as she stared out of the window.
C1 verb /priːˈɛmpt/

preempt

Meaning
To take action in order to prevent something from happening; to take the place of something.
Example
The government acted quickly to preempt a financial crisis.
C2 noun /ˈpɜːrsənɪdʒ/

personage

Meaning
an important or famous person
Example
He is considered a great personage in the world of literature.
B1 noun ˈplænɪŋ

planning

Meaning
The process of making plans for something; the control of urban development by a local government authority.
Example
Effective planning ensures better waste management.
B2 adverb /ˈpjʊərli/

purely

Meaning
only and completely; entirely
Example
The decision was purely based on economic factors.
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.
C1 noun /pɛnˈtæθlɒn/

pentathlon

Meaning
An athletic contest featuring five different events.
Example
She trained hard to compete in the modern pentathlon.
C2 adjective /pəˈrɛmptəri/

peremptory

Meaning
Insisting on immediate attention or obedience, especially in a commanding way.
Example
The officer gave a peremptory order to evacuate the building.
B2 noun /prɪˈkɔː.ʃən/

Precaution

Meaning
an action taken in advance to prevent something dangerous or unpleasant from happening
Example
As a precaution, we should bring extra water on the hike.
C2 adjective /ˈpliːnəri/

plenary

Meaning
complete in every way; fully attended or absolute
Example
The committee held a plenary session to discuss all matters of importance.
C2 adjective /ˌprɒfɪˈlæktɪk/

prophylactic

Meaning
intended to prevent disease or an unwanted outcome; protective
Example
The doctor prescribed a prophylactic treatment to prevent infection.
C2 noun /ˈpɑr.bəl/

Parbal

Meaning
A green vegetable also known as pointed gourd, commonly used in South Asian cuisine
Example
Mother prepared parbal curry with fish.
A2 verb /prɪˈfɜːr/

prefer

Meaning
to like better; to choose as more desirable
Example
I prefer tea over coffee in the morning.
C2 adjective /prɪˈzʌmptɪv/

presumptive

Meaning
Based on probability or assumption rather than proof.
Example
She is the presumptive nominee for the party.
B2 verb /poʊz/

pose

Meaning
To assume a particular position, especially for a photograph or display; to present a problem or question.
Example
She posed for a picture in front of the monument.
C2 noun /ˌpaɪrəˈmeɪniə/

pyromania

Meaning
An uncontrollable desire to set things on fire.
Example
The suspect was diagnosed with pyromania after repeated incidents of arson.
C1 verb /præns/

prance

Meaning
To move with high, springy steps, often to show off or attract attention.
Example
The horse pranced around the field gracefully.
B2 adjective /ˈprɛdʒədɪst/

prejudiced

Meaning
having or showing a dislike or bias against a person or group without proper reason
Example
He was prejudiced against people from other regions.
A2 noun /ˈpeɪn.tər/

Painter

Meaning
a person who paints pictures or decorates buildings
Example
The painter created a beautiful landscape on canvas.
B1 noun /ˈprɪn.tər/

Printer

Meaning
a person whose job is printing books, newspapers, or other materials; a machine that prints documents
Example
The printer delivered the wedding invitations on time.
C2 noun /ˈpruːdəri/

prudery

Meaning
the behavior or attitude of people who are too easily shocked or offended by sexual matters
Example
His prudery often made others uncomfortable during open discussions.
A2 noun /ˈprəʊɡræm/

program

Meaning
a planned series of events or activities
Example
The program starts at 9 AM sharp.
C1 adjective /ˈpɪt.i.əs/

Piteous

Meaning
deserving pity; arousing compassion
Example
The piteous cries of the injured animal moved everyone to tears.
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.
B2 noun /prəˈsiːdɪŋ/

proceeding

Meaning
a course of action; often used for a legal process or event
Example
The court proceedings lasted for several hours.
C2 noun /ˈplætɪtjuːd/

platitude

Meaning
a remark or statement that is overused and unoriginal
Example
He kept repeating the same platitudes during the speech.
B2 adjective /ˈpaʊərləs/

powerless

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

pare

Meaning
to cut away the outer covering or reduce something gradually
Example
She pared the apple before eating it.
C2 adjective, noun /pləˈbiːən/

plebeian

Meaning
common, ordinary, or belonging to the lower social classes
Example
The festival was enjoyed by both plebeian and noble citizens.
C1 verb /ˈpɪlɪdʒ/

pillage

Meaning
to rob or plunder a place, especially during war
Example
The invading army pillaged the village and took all valuables.
C1 verb /ˈpæmpər/

pamper

Meaning
to treat with excessive care and attention; to spoil
Example
Parents often pamper their first child.
B1 adjective /peɪl/

Pale

Meaning
having a light color; lacking brightness or vividness; weak or faint
Example
She looked pale after being sick for a week.
B1 noun praɪd

pride

Meaning
A feeling of deep pleasure or satisfaction derived from one's own achievements or from achievements associated with one.
Example
Victory Day fills our hearts with pride.
B2 noun /ˈpær.ə.daɪs/

Paradise

Meaning
heaven; a place or state of perfect happiness; an ideal or perfect place
Example
The tropical island was like paradise for the tourists.
C1 verb প্রিসিপিটেট

precipitate

Meaning
To fall from the sky as rain, snow, or other forms of water.
Example
Vapor precipitates as rain in warmer climates.
C2 noun /ˈpoʊ.ə.si/

poesy

Meaning
poetry; the art or composition of poems
Example
The anthology was filled with romantic poesy.
B2 adverb /pɪˈkju:.li.ə.li/

Peculiarly

Meaning
in a strange or unusual way; in a manner that is distinctive or characteristic
Example
She dressed peculiarly for the formal dinner, wearing bright colors and unusual patterns.
C2 noun /ˈpɜr.fɪ.di/

Perfidy

Meaning
deliberate breach of faith or trust; treachery; betrayal of trust
Example
His perfidy shocked all who had trusted him.
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.
B2 noun /pəˈsjuːt/

pursuit

Meaning
the act of chasing or trying to achieve something
Example
He dedicated his life to the pursuit of happiness.
C2 adjective /pɪˈdʒɒrətɪv/

pejorative

Meaning
Expressing contempt or disapproval.
Example
He used pejorative terms to insult his opponents.
C1 noun /pəˈræl.ə.sɪs/

Paralysis

Meaning
the loss of the ability to move part or all of the body; complete inability to act or function
Example
The accident left him with paralysis in his legs.
C1 noun /pɔl/

Pall

Meaning
a cloth spread over a coffin; a dark covering that creates a gloomy atmosphere
Example
A pall of smoke hung over the burning building.
B2 noun ˈpɛs.tɪ.saɪdz

pesticides

Meaning
Substances used for destroying insects or other organisms harmful to cultivated plants or to animals.
Example
Excessive pesticides use can harm the environment.
C1 adjective /ˈpent ʌp/

Pent-up

Meaning
suppressed; restrained; confined
Example
He had pent-up anger that finally exploded.
A1 noun /pɑːrk/

park

Meaning
a large public area of land with grass, trees, and paths, where people can walk or relax
Example
The children were playing in the park.
B1 verb /pərˈfɔːrm/

perform

Meaning
to carry out an action or present entertainment; to function
Example
The orchestra will perform at the concert hall tonight.
C1 adjective /ˈpʊʃi/

pushy

Meaning
excessively assertive or aggressive, often annoyingly so
Example
The salesperson was too pushy, which drove customers away.
C1 noun /ˈprɒmɪnəns/

prominence

Meaning
The state of being important, famous, or easily noticed.
Example
Her work gained prominence after the award.
C1 verb /ˈpɪlfər/

pilfer

Meaning
to steal things of small value or in small quantities
Example
The employee was caught pilfering office supplies.
B1 noun /piː/

Pea

Meaning
a small round green seed eaten as a vegetable
Example
The children enjoyed eating sweet peas with dinner.
B1 noun /ˌpʌblɪˈkeɪʃən/

publication

Meaning
the act of making something publicly known or available
Example
The publication of the report sparked a debate.
C1 adjective /ˌfɪl.hɑːrˈmɒn.ɪk/

philharmonic

Meaning
relating to a symphony orchestra or its music
Example
The philharmonic orchestra performed a stunning rendition of Beethoven's Ninth Symphony.
A1 adjective /ˈpɒs.ə.bəl/

Possible

Meaning
able to be done or achieved; likely to happen; feasible
Example
It is possible to learn a new language at any age.
C1 adjective /pərˈvɜːrs/

perverse

Meaning
showing a deliberate desire to behave in a way that is unreasonable, contrary, or unacceptable
Example
He took a perverse pleasure in upsetting his colleagues.
A2 noun /fəˈtɒɡrəfə/

photographer

Meaning
a person who takes photographs professionally
Example
The photographer captured the beauty of nature.
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.
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.
A1 verb pleɪ

play

Meaning
To have a role or function in a situation; to contribute to something.
Example
Artemis will play a crucial role in Mars exploration.