photoelectric
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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.
B2 noun /prəˈfɪʃənsi/

proficiency

Meaning
Competency or skill; expertise.
Example
His proficiency in multiple languages is remarkable.
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 verb /ˈpæmpər/

pamper

Meaning
to treat with excessive care and attention; to spoil
Example
Parents often pamper their first child.
B2 noun /ˈpeɪtrən/

patron

Meaning
a person who gives financial or other support to a person, organization, or cause
Example
The library is supported by generous patrons.
B2 noun /ˈpref.ər.əns/

Preference

Meaning
a greater liking for one alternative over another or others
Example
She has a preference for classical music over pop music.
B1 noun ˈpɒl.ə.si

policy

Meaning
A course or principle of action adopted or proposed by a government, party, business, or individual; a contract of insurance.
Example
Effective policies drive national development.
C2 adjective /prɪˈhɛnsɪbəl/

prehensible

Meaning
capable of being grasped or seized
Example
The tool has a prehensible handle that improves safety.
A2 noun /prəˈfɛsər/

professor

Meaning
a senior teacher or academic at a college or university
Example
The professor explained the theory clearly.
C1 adjective /pɜːrt/

pert

Meaning
attractively lively or cheeky in manner or style
Example
She gave a pert reply that made everyone laugh.
C2 verb /ˈprætəl/

prattle

Meaning
to talk at length in a foolish or inconsequential way
Example
The children would prattle on about their games.
B1 noun prəˈtek.ʃən

protection

Meaning
The action of protecting someone or something, or the state of being protected.
Example
The movement focused on the protection of rights.
C2 noun /ˈper.ɪ.dʒiː/

perigee

Meaning
the point in the orbit of the moon or a satellite at which it is nearest to the Earth
Example
The moon appeared much larger during its perigee.
C2 noun ˌpɜː.tɪˈnæs.ɪ.ti

pertinacity

Meaning
Firm determination and persistence in achieving something.
Example
His pertinacity in achieving his goals was inspiring.
B2 adverb /ˈpʌŋk.tʃu.əl.i/

Punctually

Meaning
at the exact time arranged; on time; not late
Example
She always arrives punctually for meetings.
B2 adjective /poʊˈɛt.ɪk/

poetic

Meaning
having qualities of poetry; expressive, beautiful, or imaginative
Example
Her speech had a poetic rhythm that captivated the audience.
C1 noun ˈpær.ə.daɪm

paradigm

Meaning
A typical example or pattern of something; a model or framework for understanding or approaching something.
Example
The paradigm of education is changing with digital technology.
C2 adverb /pəˈfɔːs/

perforce

Meaning
by necessity; inevitably
Example
He had to perforce accept the decision.
C1 adjective /ˈpɔːrəs/

porous

Meaning
Having tiny holes that allow liquid or air to pass through.
Example
The soil is very porous and drains quickly.
B2 verb /pɔːˈtreɪ/

portray

Meaning
to describe or represent something or someone in a work of art or literature
Example
The novel portrays a vivid picture of life in the countryside.
C2 verb /ˌpriːɪɡˈzɪst/

preexist

Meaning
to exist beforehand or before something else
Example
These customs preexist the arrival of modern technology.
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.
C2 noun /ˈproʊtoʊˌmɑːrtɚ/

protomartyr

Meaning
The first martyr in a cause or religion, often referring to the first Christian martyr.
Example
St. Stephen is known as the protomartyr of Christianity.
C2 noun ˈfaɪ.təʊˌnjuː.tri.ənt

phytonutrient

Meaning
Chemical compounds produced by plants that are beneficial to human health but not essential nutrients.
Example
Broccoli is rich in phytonutrients that enhance immunity.
B2 noun /fɪˈlɒsəfə/

philosopher

Meaning
a person engaged in the study of philosophy or in serious thinking about fundamental questions
Example
Socrates was a famous philosopher of ancient Greece.
B2 noun /ˈpɑː.tɪ.klz/

particles

Meaning
Minute portions of matter.
Example
PM2.5 particles harm respiratory health.
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 adjective /ˈpɑːm.pəs/

Pompous

Meaning
showing off; pretentious; overly grand
Example
His pompous attitude annoyed everyone at the meeting.
C1 noun /ˌpɑːrʃiˈæləti/

partiality

Meaning
an unfair preference or bias toward one side or person
Example
The judge was criticized for showing partiality in the case.
C2 noun /prəˈpɪŋkwɪti/

propinquity

Meaning
the state of being close to someone or something; proximity
Example
The propinquity of their houses made them close friends.
B1 adjective /ˈpeɪn.fəl/

painful

Meaning
causing physical or emotional pain
Example
The injury was very painful, and he needed immediate care.
B2 adjective /ˈpleɪfəl/

playful

Meaning
full of fun and high spirits; lively
Example
The puppy was very playful, running around the garden.
C1 adjective /prɪˈzʌmp.tʃu.əs/

presumptuous

Meaning
Overconfident, rude, or taking liberties without permission.
Example
It was presumptuous of him to make that decision without consulting others.
C1 noun /pəˈpaɪrəs/

papyrus

Meaning
An ancient writing material made from the pith of the papyrus plant; also refers to the plant itself.
Example
The ancient scroll was written on papyrus.
C1 noun, verb /pliːt/

pleat

Meaning
a fold in fabric made by doubling the material back upon itself
Example
She added a pleat to the skirt for extra volume.
C1 adjective /prəˈpɔːrʃənət/

proportionate

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

photosynthetic efficiency

Meaning
The measure of how effectively plants convert light energy into chemical energy through the process of photosynthesis, directly affecting plant growth and crop yield.
Example
Improving photosynthetic efficiency can increase crop yields.
C1 noun /ˈpeɪ.ɡən/

Pagan

Meaning
a person holding religious beliefs other than the main world religions; a heathen
Example
Ancient Romans considered early Christians to be pagans.
C2 verb /ˈprɛsɪdʒ/

presage

Meaning
to be a sign or warning that something will happen; to foreshadow
Example
Dark clouds presage a storm.
B2 noun /ˈprɪv.ə.lɪdʒ/

Privilege

Meaning
a special right or advantage that only one person or group has
Example
It's a privilege to work with such talented people.
C1 verb /pərˈplɛks/

perplex

Meaning
To confuse or puzzle someone.
Example
The complex instructions perplexed the students.
B2 noun pərˈsɛpʃən

perception

Meaning
The ability to see, hear, or become aware of something through the senses
Example
Our perception of the situation was shaped by our prior experiences.
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.
C2 adjective /ˌpəʊstˈprændɪəl/

postprandial

Meaning
Occurring after a meal.
Example
He went for a postprandial walk after dinner.
B2 noun /ˌpiːdiəˈtrɪʃən/

pediatrician

Meaning
a doctor who specializes in the medical care of children
Example
The pediatrician examined the child carefully.
C1 verb /ˈpɜːrpətreɪt/

perpetrate

Meaning
To commit or carry out, typically a harmful, illegal, or immoral act.
Example
The hackers perpetrated a massive cyber attack on the company.
B2 noun /ˌprɒpəˈzɪʃən/

proposition

Meaning
A statement, idea, or plan put forward for consideration or discussion.
Example
The company made a business proposition to the investors.
B2 adjective /ˌpriːməˈtjʊər/

premature

Meaning
Happening or done before the usual or proper time.
Example
His decision to quit the job was premature.
B2 adjective /pɪˈkjuː.li.ər/

Peculiar

Meaning
strange or odd; unusual; belonging exclusively to
Example
She has a peculiar way of speaking.
C1 noun ˈprɒdʒ.ə.ni

progeny

Meaning
A descendant or the descendants of a person, animal, or plant; offspring.
Example
The philosopher's teachings have influenced many generations of progeny.
B1 noun /ˈfɑːrməsi/

pharmacy

Meaning
A place where medicinal drugs are prepared and sold.
Example
I went to the pharmacy to buy antibiotics.
B1 noun /ˈpɛnəlti/

penalty

Meaning
A punishment imposed for breaking a law, rule, or contract.
Example
He had to pay a heavy penalty for breaking the traffic rules.
B2 noun /pərˈfek.ʃən/

Perfection

Meaning
the state of being complete and without flaws; the highest degree of excellence
Example
The artist spent years trying to achieve perfection in his paintings.
B2 noun /feɪz/

Phase

Meaning
a distinct period or stage in a process of change or development
Example
The project is now in its final phase.
B2 adverb /ˈpʌb.lɪk.li/

Publicly

Meaning
in a public manner; openly; for everyone to see or know
Example
The company publicly announced their new policy.
C2 noun /ˈprɑːflɪɡəsi/

profligacy

Meaning
reckless wastefulness or extravagance
Example
His profligacy with money led him to bankruptcy.
C2 adjective /ˈpɜːrviəs/

pervious

Meaning
Allowing water, air, or other substances to pass through; permeable.
Example
The soil here is pervious to rainwater.
C1 noun ˌpriːˌɒkjʊˈpeɪʃən

preoccupation

Meaning
The state of being absorbed in thought; mental distraction.
Example
His preoccupation with work led to neglecting his personal life.
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.
C2 noun ˈpær.ə.ɡən

paragon

Meaning
A person or thing regarded as a perfect example of a particular quality; a model of excellence.
Example
Neom is a paragon of sustainable urban design.
A1 verb /pliːz/

please

Meaning
to make someone happy or satisfied; used as a polite request
Example
His performance pleased the audience.
A2 adjective /ˈpɒp.jʊ.lər/

Popular

Meaning
liked or admired by many people; well-known and widely accepted
Example
This restaurant is very popular among young people.
B1 noun /ˌpɒp.jəˈlær.ə.ti/

Popularity

Meaning
the state of being liked, admired, or supported by many people
Example
The singer's popularity has grown rapidly this year.
C2 noun /ˈplætɪtjuːd/

platitude

Meaning
a remark or statement that is overused and unoriginal
Example
He kept repeating the same platitudes during the speech.
C2 adjective /njuːˈmætɪk/

pneumatic

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

protuberate

Meaning
To swell out or bulge.
Example
The roots began to protuberate from the ground.
C1 adjective /ˈpiːs.ə.bəl/

Peaceable

Meaning
peaceful; inclined to avoid conflict
Example
The peaceable protest ended without any violence.
C2 noun /proʊˈsiː.ni.əm/

proscenium

Meaning
the part of a theater stage in front of the curtain; the arch framing the stage
Example
The actors bowed at the proscenium before leaving the stage.
B2 noun /prəˈtɛktər/

protector

Meaning
a person or thing that protects someone or something
Example
The dog was seen as the family's protector.
C2 noun /ˌprɪnsɪˈpæləti/

principality

Meaning
a state ruled by a prince
Example
Monaco is a famous principality in Europe.
C2 noun /ˌfɑːrməkəˈpiːə/

pharmacopoeia

Meaning
An official book listing medicinal drugs, their effects, and directions for use.
Example
The doctor referred to the pharmacopoeia to check the drug's proper dosage.
C2 adjective ˌpɜː.spɪˈkeɪ.ʃəs

perspicacious

Meaning
Having keen insight and understanding; showing acute mental discernment.
Example
The detective's perspicacious nature helped solve the mystery.
C2 adjective /ˈpæsɪbəl/

passible

Meaning
capable of feeling or suffering; susceptible to sensation or emotion (often theological)
Example
In some traditions, deities are described as passible, sharing human emotions.
B1 adverb /praɪˈmɛrɪli/

primarily

Meaning
for the most part; mainly
Example
She is primarily responsible for managing the finances.
B2 verb /prɪˈskrʌɪb/

prescribe

Meaning
to recommend or authorize the use of something, especially medicine
Example
The doctor prescribed medication for my cold.
C2 noun /ˌpɑːrtjʊˈrɪʃən/

parturition

Meaning
The act of giving birth; childbirth.
Example
The doctor explained the stages of parturition to the students.
A2 adjective /ˈpɜːrsənl/

personal

Meaning
relating to a particular person rather than anyone else
Example
She shared some personal details about her family.
C2 verb /proʊˈskraɪb/

proscribe

Meaning
to forbid something by law or authority
Example
The new law will proscribe the use of harmful chemicals in farming.
C1 adjective prəˈvɪnʃəl

provincial

Meaning
Of or concerning a province of a country or empire.
Example
Bengali was not just a provincial language.
C2 noun /ˈpiːs ɡʊdz/

Piece-goods

Meaning
textiles or fabrics sold by the yard or meter; cloth materials
Example
The tailor bought piece-goods from the wholesale market to make custom dresses.
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.
C2 noun /ˈpærəpɛt/

parapet

Meaning
A low protective wall along the edge of a roof, balcony, or bridge.
Example
The soldier hid behind the parapet for protection.
C1 noun /ˈpɒpjʊləs/

populace

Meaning
the general public; the ordinary people living in a country or area
Example
The new law was welcomed by the local populace.
B1 noun prɪˈven.ʃən

prevention

Meaning
The action of stopping something from happening or arising.
Example
Prevention of fascism ensures democracy.
A2 noun ˈpaʊ.ər

power

Meaning
The ability or capacity to do something or act in a particular way; authority.
Example
Power distribution ensures efficiency.
B2 noun /ˈproʊtəkɔːl/

protocol

Meaning
an official procedure or system of rules
Example
The security team followed strict protocol during the event.
B1 adjective pəˈlɪtɪkəl

political

Meaning
Relating to the government or public affairs of a country; relating to politics or political parties.
Example
The political agenda included autonomy.
C1 noun /ˌpɪɡ.menˈteɪ.ʃən/

pigmentation

Meaning
The natural coloring of animal or plant tissue.
Example
Excessive rubbing can cause pigmentation issues.
B1 adverb /ˈfɪzɪkəli/

physically

Meaning
in a physical manner; relating to the body
Example
She is physically strong and healthy.
B1 verb /pɔːr/

pour

Meaning
to flow or cause to flow in a steady stream; to rain heavily
Example
Please pour the water into the glass carefully.
C2 adjective /ˌpɛntəˈveɪlənt/

pentavalent

Meaning
Having a valence of five, especially in chemistry.
Example
Phosphorus can exist in a pentavalent state.
C2 adjective /ˌpjuːsɪˈlænɪməs/

pusillanimous

Meaning
showing a lack of courage or determination; timid
Example
The pusillanimous leader avoided making tough decisions.
B1 verb /ˈpʌzəl/

puzzle

Meaning
to confuse or perplex; to think hard about something
Example
The math problem will puzzle even the experts.
B2 noun/verb /pɜːrk/

perk

Meaning
A benefit or advantage associated with a job; or to become more lively or cheerful.
Example
One of the perks of working here is free lunch every Friday.
C1 noun /pækt/

Pact

Meaning
a formal agreement between individuals or parties; a treaty or contract
Example
The two countries signed a peace pact to end the war.
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.
B2 adjective /ˌpeɪ.triˈɑː.tɪk/

Patriotic

Meaning
showing love for one's country
Example
The patriotic citizens celebrated Independence Day with great enthusiasm.
B2 noun /ˈpetəl/

Petal

Meaning
One of the colored segments of a flower that forms the corolla
Example
Each petal of the daisy was white with a yellow center.
B1 verb /prəˈmoʊt/

promote

Meaning
to help something develop or increase; to advance someone to a higher position
Example
The company promotes environmental awareness.
A1 noun /ˈpæstə/

pasta

Meaning
an Italian food made from flour and water, typically shaped into noodles or sheets
Example
We had creamy pasta for dinner last night.
C1 noun /fɪˈlæn.θrə.pɪst/

philanthropist

Meaning
a person who seeks to promote the welfare of others, especially by donating money to good causes
Example
The philanthropist donated millions to build schools in rural areas.
B2 noun /ˈfoʊ.bi.ə/

Phobia

Meaning
an extreme or irrational fear of or aversion to something
Example
She has a phobia of spiders.
C1 noun prɪˈzɜː.və.tɪvz

preservatives

Meaning
A substance used to preserve foodstuffs, wood, or other materials against decay.
Example
Many processed foods contain harmful preservatives.
C2 adjective /ˈproʊtiən/

protean

Meaning
tending or able to change frequently or easily; versatile
Example
She is a protean artist who experiments with many styles.
C1 adjective /ˈpəʊ.tənt/

Potent

Meaning
having great strength, power, or effect; influential
Example
The medicine is very potent and should be taken carefully.
C1 noun /pɪˌdɛs.tri.ə.naɪˈzeɪ.ʃən/

pedestrianization

Meaning
Making areas pedestrian-friendly, closing any area to vehicle traffic and making it open only for pedestrians.
Example
The pedestrianization of city centers reduces pollution.
C2 noun /ˈpɒl.i.mæθ/

polymath

Meaning
a person with knowledge of many different subjects
Example
Leonardo da Vinci was a true polymath, excelling in art, science, and engineering.
C1 noun /pʌn/

pun

Meaning
A humorous use of words that suggests different meanings or words that sound alike.
Example
He made a clever pun about the bakery's bread rising.
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.
C1 verb /ˌpriːdɪˈtɜːrmɪn/

predetermine

Meaning
to establish or decide something in advance
Example
The outcome of the match seemed predetermined.
C2 noun /ˈpɪnəs/

pinnace

Meaning
a small boat, often carried by a larger ship
Example
The sailors used a pinnace to reach the shore.
C1 adjective /pəˈtɜːrnəl/

paternal

Meaning
Relating to or characteristic of a father.
Example
He took a paternal interest in the boy’s education.
C1 verb /piːv/

peeve

Meaning
To annoy or irritate someone.
Example
His constant interruptions really peeve me.
C2 verb /preɪt/

prate

Meaning
to talk foolishly or at tedious length about something
Example
He would prate endlessly about his minor achievements.
B2 noun /prɪˈskrɪpʃən/

prescription

Meaning
A written order from a doctor for the preparation and administration of a medicine; also, a recommendation or authoritative rule.
Example
The doctor gave her a prescription for antibiotics.
C2 noun /ˈpælɪˌnoʊd/

palinode

Meaning
a poem or statement in which the writer retracts something said in an earlier work
Example
The poet wrote a palinode to apologize for his earlier harsh words.
C1 verb prəˈpel

propel

Meaning
To drive, push, or cause to move in a particular direction, typically forward.
Example
Lack of proper guidance can propel adolescents toward delinquency.
C1 adjective /ˈpɛtjʊlənt/

petulant

Meaning
Childishly sulky or bad-tempered.
Example
The child became petulant when denied more candy.
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 adjective /ˌpɑːrləˈmɛntri/

parliamentary

Meaning
relating to a parliament or its members; relating to a system of government with parliamentary authority
Example
The country follows a parliamentary form of government.
B2 noun ˈpɛstɪˌsaɪd

pesticide

Meaning
A substance used for destroying insects or other organisms harmful to cultivated plants or to animals.
Example
The pesticide sprayed in the field killed the harmful insects.