| HYPOPHYGES | • HYPOPHYGE n. the curve where a column merges in its base or capital. |
| HYPOPHYSES | • hypophyses n. Plural of hypophysis. • HYPOPHYSIS n. the pituitary gland. |
| HYPSOPHOBE | • HYPSOPHOBE n. a person suffering from hypsophobia, a fear of falling from high places. |
| 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. |
| PHOSPHATED | • phosphated adj. Containing phosphates. • PHOSPHATE v. to treat with phosphate. |
| PHOSPHATES | • phosphates n. Plural of phosphate. • PHOSPHATE v. to treat with phosphate. |
| PHOSPHENES | • phosphenes n. Plural of phosphene. • PHOSPHENE n. a visual sensation produced by mechanical stimulation of the retina, as by pressure on the eyeball. |
| PHOSPHIDES | • phosphides n. Plural of phosphide. • PHOSPHIDE n. a binary compound of phosphorus, also PHOSPHID. |
| PHOSPHINES | • phosphines n. Plural of phosphine. • PHOSPHINE n. a colorless gas analogous to ammonia, and having a disagreeable odor resembling that of garlic, also PHOSPHIN. |
| PHOSPHITES | • phosphites n. Plural of phosphite. • PHOSPHITE n. a salt of 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. |
| PHOSPHURET | • phosphuret n. (Obsolete, chemistry) phosphide. • PHOSPHURET n. (obsolete) a phosphide, also PHOSPHORET. |
| 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. |