English words starting with P

Relating to the observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

An essential amino acid that is a constituent of most proteins and is necessary for normal growth and metabolism.

a genetic disorder in which the body cannot properly break down an amino acid called phenylalanine, leading to its accumulation in the blood and potential intellectual disability if untreated.

A synthetic sympathomimetic amine, formerly used as a decongestant and appetite suppressant.

a chemical substance produced by an animal that influences the behavior of other animals of the same species.

used to express relief, fatigue, surprise, or disgust

The 21st letter of the Greek alphabet (Φ, φ)

a small glass bottle, especially one for liquid medicine or perfume

Of or relating to the city of Philadelphia

(of a man) to have casual sexual relationships with many women, especially without sincere emotional commitment.

a man who has many casual sexual relationships with women, especially one who is not sincere or serious about them.

(of a person) frequently and casually having sexual relationships with different people; given to casual love affairs.

showing a desire to help others, especially by giving money to good causes

A person who seeks to promote the welfare of others, especially by donating money to good causes.

The practice of helping the poor and those in need, especially by giving money.

A person who collects or studies postage stamps.

The collection and study of postage stamps and related items.

Devoted to or loving music, especially used in the names of orchestras, choirs, or societies.

Of or relating to the Philippines, its people, or their languages.

A person who is hostile or indifferent to culture and the arts, or who has no understanding of them

A smug, uncritical, and materialistic attitude that is indifferent or hostile to artistic and cultural values.

A tropical American climbing plant of the arum family, which is typically grown as a foliage houseplant.

Relating to the study of language, especially its historical development and the relationships between languages.

A person who studies the history and development of languages, especially through written texts and literature.

The study of language, especially its history and development, as found in written texts and literature.

a french philosopher of the 18th century, especially one associated with the enlightenment and its advocacy of reason, science, and social reform.

A person who studies or writes about the fundamental nature of knowledge, reality, and existence.

A ruler who possesses both a love of wisdom and the practical skills of governance, as idealized by Plato.

Relating to or characteristic of philosophy or philosophers.

relating to the study of the fundamental nature of knowledge, reality, and existence.

in a way that relates to the study of the fundamental nature of knowledge, reality, and existence

to think or reason like a philosopher; to consider or discuss serious subjects in a philosophical way.

(gerund or present participle). The act of thinking or expressing ideas about the fundamental nature of knowledge, reality, and existence, often in a serious or abstract way.

the study of the fundamental nature of knowledge, reality, and existence, especially when considered as an academic discipline.

the fraudulent practice of sending emails or messages that appear to be from reputable companies in order to induce individuals to reveal personal information, such as passwords and credit card numbers.

inflammation of the wall of a vein.

The surgical opening or puncture of a vein in order to withdraw blood or introduce a fluid.

The thick, sticky substance produced in the nose and throat, especially when you have a cold.

Having an unemotional and calm disposition.

containing or producing phlegm; having the characteristics of phlegm, such as being thick and sticky.

a supposed substance believed in the 18th century to be released during combustion and burning.

A type of garden plant with groups of pink, white, or purple flowers.

an extreme or irrational fear of or aversion to something

Having or involving an extreme or irrational fear of or aversion to something.

Of or relating to Phoenicia, its people, its ancient civilization, or its language.

(in stories) a magical bird that lives for a very long time, burns itself to death, and is then born again from its ashes

Resembling or characteristic of a phoenix, especially in being able to rise again after apparent destruction or in being unique and magnificent.

A piece of equipment used for talking to someone who is in another place

A business that provides telephone services.

A radio or television programme in which listeners or viewers telephone the studio to participate, ask questions, or give opinions.

A physical wire or cable used to transmit telephone signals.

A type of sexual activity or conversation involving sexually explicit talk conducted over the telephone, often for a fee.

A book listing the names, addresses, and telephone numbers of people, businesses, or organizations.

The smallest unit of sound in a language that can distinguish one word from another.

Relating to or consisting of phonemes, the smallest units of sound in a language that can distinguish one word from another.

Relating to speech sounds or the production of speech sounds.

In a way that relates to the sounds of speech or the symbols used to represent them.

The study of the sounds of human speech.

Not genuine or real; intended to deceive.

relating to sound or speech sounds.

A method of teaching people to read by correlating sounds with letters or groups of letters in an alphabetic writing system.

The quality of not being sincere or genuine; the act of pretending to be something one is not.

An early device for playing recorded sound, using a needle to trace grooves on a rotating cylinder or disc.

Relating to or denoting the production of sound recordings, especially on phonograph records.

Relating to the system of speech sounds in a language.

The study of the system of speech sounds in a language, or in languages in general.

A quantum of vibrational energy in a crystal lattice or other solid, treated as a quasiparticle.

Not genuine or real; intended to deceive.

Any small fly of the family Phoridae, characterized by a humpbacked appearance and often found in decaying organic matter; also called humpbacked fly or scuttle fly.

an enzyme that catalyzes the hydrolysis of esters of phosphoric acid, removing a phosphate group from its substrate.

A salt or ester of phosphoric acid, containing the group PO₄.

A binary compound of phosphorus with a more electropositive element or group.

a lipid containing a phosphate group in its molecule, especially one that is a major component of cell membranes.

A substance that glows in the dark after being exposed to light.

A kind of light that is created in the dark by some substances after they have absorbed light or other radiation, and that continues for some time after the source of radiation has gone.

Giving off a faint, steady light without noticeable heat, typically after exposure to light or other radiation.

Containing phosphorus, especially in a higher valency state compared to phosphorous compounds.

Containing or relating to phosphorus, especially in its lower valence states.

a chemical element (symbol p) that exists in several different forms, including a poisonous, yellowish substance that shines in the dark and burns when in air.

A photograph; a picture made using a camera.

A piece of writing that is combined with a series of photographs to tell a story or explore a theme.

A brief, carefully arranged opportunity for photographers to take pictures of a celebrity or politician, often staged for publicity.

A style of art, especially painting or drawing, in which images are created to resemble a high-resolution photograph in precise detail.

(of an image, especially a computer-generated one) so realistic that it looks like a photograph.

The act or practice of sharing digital photographs, typically via a website, app, or social media platform.

a device that produces an electric current or voltage when light shines on it.

Relating to or caused by the chemical action of light.

Produced a copy of a document or image using a machine that uses light and electricity.

A machine that makes copies of documents or other images on paper by a photographic process.

A paper copy of a document, picture, etc. made using a special machine that uses light

The process or business of making photocopies.

A device that detects or measures light or other electromagnetic radiation by converting it into an electrical signal.

A semiconductor device that generates an electric current when exposed to light, used for detecting light or converting light energy into electrical energy.

The process in which a molecule is broken into smaller pieces by the absorption of light.

Relating to or involving the emission of electrons from a surface by the action of light.

(of a person) looking attractive in photographs

A picture made using a camera, in which an image is focused onto film or other light-sensitive material and then made visible and permanent by chemical treatment, or stored digitally.

a person who takes photographs, especially as a job

Relating to, used in, or produced by photography.

In a way that relates to or uses photography.

The process or art of producing images of objects on a photosensitive surface, such as film or a digital sensor, by the action of light.

A form of journalism that uses photographs to tell a news story.

A journalist who communicates news stories primarily through photographs.

A process for making integrated circuits and other microstructures in which a pattern is transferred by light onto a light-sensitive chemical coating on a substrate, such as a silicon wafer.

An instrument for measuring the intensity of light.

Relating to the measurement of light, especially its intensity.

The scientific measurement of the intensity of light.

A photograph taken through a microscope.

A picture consisting of photographs or parts of photographs arranged and stuck together to form a single image.

A device that detects very weak light and amplifies it into an electrical signal, using a series of electrodes to multiply the number of electrons.

a quantum of electromagnetic radiation, having zero mass and an energy equal to the product of the frequency of the radiation and the Planck constant.

Relating to or involving photons, the elementary particles of light.

The branch of technology and physics concerned with the properties, generation, transmission, and detection of photons, especially for use in information processing and telecommunications.

a cell or organ in an organism that is sensitive to light and converts it into a signal that can be processed by the nervous system.

A process in plants, especially in C3 plants, where oxygen is taken up and carbon dioxide is released in the presence of light, which reduces the efficiency of photosynthesis.

Reacting to light, especially by changing physically or chemically.

The intensely luminous surface layer of a star, especially the sun, from which light and heat radiate.

Definition 1: A machine for making photographic copies of documents, drawings, etc.

The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water, involving the pigment chlorophyll and releasing oxygen as a by-product.

(of a plant or other organism) to synthesize carbohydrates from carbon dioxide and water using light energy absorbed by chlorophyll.