| HIPPEASTRUMS | • HIPPEASTRUM n. any plant of the South American genus Hippeastrum, bulbous, with white or red flowers. |
| PERIMORPHOUS | • perimorphous adj. Perimorphic. • PERIMORPHOUS adj. like a perimorph, also PERIMORPHIC. |
| PERSULPHATES | • persulphates n. Plural of persulphate. • PERSULPHATE n. that sulphate of a metal which contains the relatively greater quantity of oxygen or of the acid radical, also PERSULFATE. |
| PERSULPHURIC | • PERSULPHURIC adj. denoting a type of acid, also PERSULFURIC. |
| PHOSPHORUSES | • phosphoruses n. Plural of phosphorus. • PHOSPHORUS n. a chemical element. |
| PLEOMORPHOUS | • pleomorphous adj. Having or passing through many different forms. • PLEOMORPHOUS adj. occurring in several different forms, also PLEOMORPHIC. |
| PNEUMOGRAPHS | • pneumographs n. Plural of pneumograph. • PNEUMOGRAPH n. an instrument for measuring and recording respiration. |
| PREPURCHASED | • prepurchased v. Simple past tense and past participle of prepurchase. • PREPURCHASE v. to purchase in advance. |
| PREPURCHASES | • prepurchases v. Third-person singular simple present indicative form of prepurchase. • PREPURCHASE v. to purchase in advance. |
| PSEUDOGRAPHS | • pseudographs n. Plural of pseudograph. • PSEUDOGRAPH n. spurious writing; forgery. |
| PSEUDOGRAPHY | • pseudography n. False writing; forgery. • pseudography n. Incorrect spelling. • PSEUDOGRAPHY n. unsatisfactory spelling. |
| PSEUDOMORPHS | • pseudomorphs n. Plural of pseudomorph. • PSEUDOMORPH n. a false or abnormal physical form. |
| PURPLEHEARTS | • purplehearts n. Plural of purpleheart. • purple␣hearts n. Plural of purple heart. • Purple␣Hearts n. Plural of Purple Heart. |
| PYROPHORUSES | • PYROPHORUS n. any substance capable of igniting spontaneously on exposure to air. |
| PYROSULPHATE | • pyrosulphate n. (Inorganic chemistry, Britain) Alternative spelling of pyrosulfate. • PYROSULPHATE n. a salt of sulphur. |
| SUPERIORSHIP | • superiorship n. The monastic role or position of superior. • SUPERIORSHIP n. the office of superior. |
| THRUPPENNIES | • thruppennies n. Plural of thruppenny. • THRUPPENNY n. threepence, as in thruppenny bit, also THREEPENCE, THREEPENNY, THRUPPENCE. |
| UNWORSHIPPED | • unworshipped adj. Not worshipped. • UNWORSHIPPED adj. not worshipped. |