| PHOTOTROPE | • PHOTOTROPE n. a substance exhibiting phototropism, movement directed by light. |
| PHOTOTROPH | • phototroph n. A photoautotroph. • PHOTOTROPH n. a plant which uses light to generate energy needed to absorb nutrients. |
| PHOTOTROPY | • phototropy n. Phototropism. • PHOTOTROPY n. change of colour due to wavelength of incident light. |
| PINSPOTTER | • pinspotter n. Synonym of pinsetter (person or machine). • PINSPOTTER n. an employee on a mechanical device that spots pins in a bowling alley, also PINSETTER. |
| POSTPARTUM | • postpartum adj. Of a mother: after giving birth (often defined as within 30 days after childbirth). • postpartum adv. After giving birth. • postpartum n. The period immediately following childbirth. |
| POSTSCRIPT | • postscript n. (Countable) An addendum to a letter, added after the author’s signature. • postscript n. (Countable) An addition to a story, play, etc. after its completion. • postscript v. To extend (a letter or another document) with additional remarks. |
| PROPITIATE | • propitiate v. (Transitive) To conciliate, appease, or make peace with someone, particularly a god or spirit. • propitiate v. (Transitive) To make propitious or favourable. • propitiate v. (Intransitive) To make propitiation. |
| PROTOPATHY | • PROTOPATHY n. first or direct experience. |
| PROTOPHYTE | • protophyte n. (Biology) Any of various primitive organisms such as the slime molds. • PROTOPHYTE n. any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division. |
| PROTOPLAST | • protoplast adj. (Obsolete) Created first; archetypal. • protoplast n. The first-created human; Adam. • protoplast n. (Rare) A prototype or archetype; a model. |
| PROTOTROPH | • prototroph n. (Biology) Any microorganism that can synthesize its nutrients from inorganic material. • PROTOTROPH n. a bacterium feeding only on inorganic matter. |
| PROTOTYPAL | • prototypal adj. Of or pertaining to a prototype. • PROTOTYPAL adj. relating to a prototype, also PROTOTYPIC, PROTOTYPICAL. |
| PROTOTYPED | • prototyped adj. Constructed as a prototype. • PROTOTYPE v. to make a prototype. |
| PROTOTYPES | • prototypes n. Plural of prototype. • PROTOTYPE v. to make a prototype. |
| PROTOTYPIC | • prototypic adj. Of or pertaining to a prototype; prototypical. • PROTOTYPIC adj. relating to a prototype, also PROTOTYPAL, PROTOTYPICAL. |
| PROTREPTIC | • protreptic adj. Serving to instruct; didactic. • protreptic n. A didactic speech, book, etc. • PROTREPTIC adj. exhorting or encouraging, also PROTREPTICAL. |
| STROPPIEST | • stroppiest adj. Superlative form of stroppy: most stroppy. • STROPPY adj. (colloquial) touchy, belligerent. |
| TROPOPHYTE | • tropophyte n. (Biology) Any plant that lives in an environment in which heavy rainfall alternates with periods of drought. • TROPOPHYTE n. a plant adapted to alterations of moisture and drought. |
| TRYPTOPHAN | • tryptophan n. (Biochemistry) An essential amino acid having an indole side chain; it is present in many foods, especially… • TRYPTOPHAN n. an essential amino acid, also TRYPTOPHANE. |