English Words: P

46,516 words · Page 343 of 931

photostimulateverb

To stimulate by means of light

photostimulatedadj

stimulated by the absorption of light energy

photostimulatingadj

That involves photostimulation

photostimulationnoun

The activation of a biological organ or organism by means of light

photostimulatornoun

A device used in photostimulation

photostimulatoryadj

That produces photostimulation

photostimulonnoun

photochemical stimulon

photostimulusnoun

The stimulus involved in photostimulation

photostorynoun

A story illustrated with sequential photographs in the manner of a comic strip.

photostreamnoun

A gallery or slideshow displaying a series of images from the Internet.

photostressnoun

Exposure of the eye to bright light and measurement of the time taken for vision to return, used in ocular diagnosis

photostressedadj

stressed by exposure to bright light

photostrictionnoun

A change in the dimensions of some piezoelectric materials when illuminated; only occurs if the material is also photoelectric.

photostructurableadj

Whose structure may be modified by light

photosubstitutionnoun

Any photochemical substitution reaction

photosurveynoun

A photographic survey.

photoswitchnoun

A switch that is activated by light

photoswitchabilitynoun

The condition of being photoswitchable

photoswitchableadj

Capable of being photoswitched, or switched by an optical signal.

photoswitchedadj

Modified by photoswitching

photoswitchingnoun

The modification of the structure of a compound by light, especially when accompanied by a change in function

photosymbiontnoun

An organism in a photosymbiotic relationship

photosymbiosisnoun

symbiosis in which one of the participants is capable of photosynthesis

photosymbioticadj

Relating to photosymbiosis.

photosynchronizationnoun

synchronization of a circadian rhythm by means of light

photosynthatenoun

Any compound that is a product of photosynthesis.

photosynthesisnoun

Any process by which plants and other photoautotrophs convert light energy into chemical energy.

photosynthesiseverb

Alternative spelling of photosynthesize.

photosynthesisernoun

Alternative form of photosynthesizer.

photosynthesizeverb

To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis

photosynthesizernoun

Any organism that uses photosynthesis to generate carbohydrates

photosynthesizingadj

That performs photosynthesis.

photosyntheticadj

Of, relating to, or employing photosynthesis.

photosyntheticaladj

Alternative form of photosynthetic.

photosyntheticallyadv

By the use of photosynthesis

photosynthetronnoun

A photosynthesis irradiance incubator

photosystemnoun

Either of two biochemical systems, active in chloroplasts, that are part of photosynthesis

phototachometernoun

A tachometer that measures revolutions by optical sensing.

phototachometrynoun

The use of the phototachometer.

phototachymeternoun

An electrooptical instrument for measuring distances.

phototachymetricadj

Relating to a phototachymeter.

phototacticallyadv

In terms of or by means of phototaxis.

phototautomerizationnoun

A form of photoisomerization leading to the formation of a tautomer.

phototaxisnoun

The movement of an organism either towards or away from a source of light

phototelegramnoun

A fax communication.

phototelegraphnoun

An image transmitted by phototelegraphy.

phototelegraphicadj

Relating to phototelegraphy.

phototelegraphynoun

The fax system

phototelephonynoun

The transmission of sound by means of light.

phototelescopenoun

A telescope adapted for taking photographs of the heavenly bodies.

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 343. 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.