| HYPOMORPHS | • hypomorphs n. Plural of hypomorph. • HYPOMORPH n. a mutant gene but having a similar but weaker effect than the corresponding wild-type gene. |
| HYPSOPHOBE | • HYPSOPHOBE n. a person suffering from hypsophobia, a fear of falling from high places. |
| OOMPAHPAHS | • OOMPAHPAH n. an imitation of the sound of a tuba. |
| PHILOSOPHE | • philosophe n. Any of the leading philosophers or intellectuals of the 18th-century French Enlightenment. • philosophe n. (Derogatory) An incompetent philosopher; a philosophaster. • PHILOSOPHE n. (French) a philosopher. |
| PHILOSOPHY | • philosophy n. (Uncountable, originally) The love of wisdom. • philosophy n. (Uncountable) An academic discipline that seeks truth through reasoning rather than empiricism. • philosophy n. (Countable) A comprehensive system of belief. |
| PHOSPHONIC | • phosphonic adj. Of or pertaining to phosphonic acid or its derivatives. • PHOSPHONIC adj. as in phosphonic acid, the same as phosphorous acid. |
| PHOSPHORES | • phosphores n. Plural of phosphore. • PHOSPHORE n. phosphorus; a phosphorescent or fluorescent substance generally, also PHOSPHOR. |
| PHOSPHORET | • phosphoret n. A compound of phosphorus that does not include oxygen. • PHOSPHORET n. (obsolete) a phosphide, also PHOSPHURET. |
| PHOSPHORIC | • phosphoric adj. (Chemistry) Of or pertaining to phosphorus. • phosphoric adj. Resembling phosphorus. • phosphoric adj. (Chemistry) Of a compound, containing phosphorus in a higher oxidation number than phosphorous compounds… |
| PHOSPHORUS | • phosphorus n. (Chemistry) a chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms. • phosphorus n. (Obsolete) any substance exhibiting phosphorescence; a phosphor. • Phosphorus prop.n. A name sometimes used for Hesperus, the personification in Greek mythology of the planet Venus. |
| PHOSPHORYL | • phosphoryl n. (Chemistry) the trivalent radical O=P≡. • PHOSPHORYL n. the radical PO, regarded as the typical nucleus of certain compounds. |
| PHOTOPHASE | • photophase n. The period of light during a day-night cycle. • PHOTOPHASE n. the light period of a photoperiodic cycle of light and dark. |
| PHOTOPHILS | • PHOTOPHIL n. an organism that seeks the light. |
| PHOTOSHOPS | • photoshops v. Third-person singular simple present indicative form of photoshop. • PHOTOSHOP v. to manipulate a digital image using editing software. |