English Words: P

46,516 words · Page 300 of 931

phenylpropanolaminenoun

An adrenergic drug used to relieve allergic reactions, to treat respiratory infections and to suppress the appetite.

phenylpropenenoun

Any of a class of phenylpropanoids in which a benzene ring has an allyl group attached to it. They are precursors for a variety of insecticides.

phenylpropionatenoun

Any salt or ester of phenylpropionic acid.

phenylpropylnoun

Any phenyl derivative of a propyl radical

phenylpyrazolenoun

Any phenyl derivative of a pyrazole, but especially any insecticide (such as fipronil) based upon this structure

phenylpyrazolesnoun

plural of phenylpyrazole

phenylpyrrolenoun

Any of three isomeric phenyl derivatives of pyrrole, both of which are the structural basis of many herbicides, antibiotics etc.

phenylpyruvatenoun

An intermediate in the biosynthesis of phenylalanine, formed by the decarboxylation of prephenate with loss of hydroxyl.

phenylsilatranenoun

A convulsant that has been used as a rodenticide.

phenyltetrazoliumnoun

Any phenyl derivative of a tetrazolium ion

phenylthiocarbamidenoun

The N-phenyl derivative of carbamide; it is either tasteless or has a bitter taste, depending on the genetic makeup of the person tasting it, who is either a nontaster or a taster, respectively.

phenylthiohydantoinnoun

Any phenyl derivative of a thiohydantoin, but especially one formed from an amino acid in the Edman method of protein degradation

phenylthiolnoun

The simplest aromatic thiol, C₆H₅-SH

phenylthiolatenoun

The univalent radical C₆H₅-S- or anion C₆H₅-S⁻ derived from phenylthiol.

phenylthioureanoun

Phenylthiocarbamide.

phenyltoloxaminenoun

A particular antihistamine drug with sedative and analgesic effects.

phenyltropanenoun

Any of a class of compounds that include a large range of cocaine-like psychoactive stimulants.

phenyracillinnoun

A penicillin antibiotic.

phenytoinnoun

A synthetic compound related to hydantoin, used as an anticonvulsant in the treatment of epilepsy.

pheonoun

Pheochromocytoma.

pheochromeadj

Alternative form of phaeochrome (synonym of chromaffin)

pheochromocytenoun

A chromaffin cell.

pheochromocytomanoun

A neuroendocrine tumour of the medulla of the adrenal glands.

pheomelaninnoun

A brown pigment produced by melanocytes

pheomelanogenesisnoun

The formation of pheomelanin by living cells

pheomelanosomenoun

A reddish-brown melanosome.

pheonnoun

A bearing representing the head of a dart or javelin, with long barbs which are engrailed on the inner edge.

pheophorbidesnoun

plural of pheophorbide

pheopigmentnoun

Alternative form of phaeopigment.

pheoplastnoun

A plastid, containing brown pigment, found in diatoms, dinoflagellates and brown algae

Pherecr.name

Abbreviation of Pherecrates.

Pherecrateanadj

Consisting of three prosodic feet, normally a spondee, dactyl, and spondee (or trochee), but admitting of some variations.

Pherecratesname

A celebrated Athenian poet of the Old Comedy, living in the fifth century BCE (born after Crates and Cratinus but before Aristophanes, Eupolis, and Plato Comicus – so between c. 519 and c. 446 BCE), victorious at least thrice at the City Dionysia and the Lenaia in the 440s–430s, and inventor of the Pherecratean metre.

Pherecydesname

An Ancient Greek thinker from the island of Syros, who authored a cosmogony that bridged the mythological thought of Hesiod and pre-Socratic philosophy (fl. 6th century BC)

pheresisnoun

Synonym of apheresis.

Pherkadname

γ Ursae Minoris, a star in the constellation Ursa Minor, formerly a dual North Star with Kochab from about 1000 BC to about AD 300.

pheromonaladj

Of or pertaining to a pheromone

pheromonallyadv

In terms of, or by means of, pheromones.

pheromonenoun

A chemical secreted by an animal, especially an insect, that affects the development or behavior of other members of the same species, functioning often as a means of attracting a member of the opposite sex.

pheromonicadj

Of or pertaining to pheromones.

pheromonostasisnoun

The suppression of pheromone production and/or receptivity

pheromonostaticadj

Relating to pheromonostasis

pheromonotropicadj

Attracted by a pheromone

pheromotropicadj

Describing movement under the influence of a pheromone

phetnoun

Amphetamines.

Phetchabunname

A province of Thailand.

Phetchaburiname

A province of Thailand.

PHEVnoun

Initialism of plug-in hybrid electric vehicle.

phewintj

Used to express relief of tension, fatigue, or surprise.

pheweeintj

Synonym of phew (“expressing relief, amazement, or disgust and rapid exhalation at a smell.”).

Spelling & Dictionary Insight

The English alphabetical index for the letter P contains 46,516 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 931 pages, and you are currently viewing page 300. Every row above is a dictionary-backed entry with a canonical slug, and each links through to a full definition page with pronunciation, senses, etymology, and related-word data where available.

On this page 50 of 50 entries carry a part-of-speech tag and 50 carry at least one stored definition. Coverage varies across letters because Wiktionary volunteers build entries at different speeds for different parts of the alphabet, letters with common starting sounds (S, C, T, P) usually have the densest coverage, while less frequent starters (X, Q, Z) tend to have shorter but more specialised lists. PlainSpell surfaces whatever data is present and links back to the source when a definition is not yet recorded.

For readers using this index as a spelling reference, the guarantee is that every form you see on the list is a documented English headword, not a guess, not a derived inflection lacking a lemma row. If a word you expected to find is absent from the "P" list, it usually means the form exists only as an inflection of another lemma (e.g. a past participle stored under the infinitive) or the entry has not yet been imported from Wiktionary. Use the search bar or the misspelling lookup to resolve these cases.