| OPPORTUNISMS | • opportunisms n. Plural of opportunism. • OPPORTUNISM n. the practice of regulating actions by favourable opportunities rather than consistent principles. |
| OPPORTUNISTS | • opportunists n. Plural of opportunist. • OPPORTUNIST n. one that is opportunistic or that practices opportunism. |
| PHOSPHONIUMS | • phosphoniums n. Plural of phosphonium. • PHOSPHONIUM n. the radical PH4, analogous to ammonium. |
| PHOSPHORUSES | • phosphoruses n. Plural of phosphorus. • PHOSPHORUS n. a chemical element. |
| PITTOSPORUMS | • pittosporums n. Plural of pittosporum. • PITTOSPORUM n. any of numerous chiefly subtropical evergreen shrubs or small trees. |
| POLYSEPALOUS | • polysepalous adj. (Botany, of a calyx) having separate sepals. • POLYSEPALOUS adj. having separate sepals. |
| POMPELMOUSES | • pompelmouses n. Plural of pompelmous. • pompelmouses n. Plural of pompelmouse. • POMPELMOUSE n. (Dutch) the shaddock or grapefruit, also PAMPELMOOSE, PAMPELMOUSE, POMELO, POMPELMOOSE, POMPELMOUS, POMPELO, PUMELO, PUMMELO. |
| POPULOUSNESS | • populousness n. The quality of being populous. • POPULOUSNESS n. the state of being populous. |
| POSTEXPOSURE | • postexposure adj. After exposure (To radiation, pathogens, etc.). • POSTEXPOSURE adj. taking place after exposure. |
| PREPOSTEROUS | • preposterous adj. Absurd, or contrary to common sense. • PREPOSTEROUS adj. contrary to nature, reason, or common sense. |
| PROSAUROPODS | • prosauropods n. Plural of prosauropod. • PROSAUROPOD n. a reptile-like dinosaur of the division Prosauropoda which lived in the Triassic period. |
| PROSPEROUSLY | • prosperously adv. In a prosperous manner; so as to prosper. • PROSPEROUS adv. thriving, affluent. |
| PSEUDOMORPHS | • pseudomorphs n. Plural of pseudomorph. • PSEUDOMORPH n. a false or abnormal physical form. |
| PSEUDOSCOPES | • pseudoscopes n. Plural of pseudoscope. • PSEUDOSCOPE n. an instrument producing images in reversed relief. |
| PYROPHORUSES | • PYROPHORUS n. any substance capable of igniting spontaneously on exposure to air. |
| SAPROPHAGOUS | • saprophagous adj. Feeding on dead or decaying organic matter. • SAPROPHAGOUS adj. feeding on decaying material. |
| SPOROPHOROUS | • sporophorous adj. Relating to sporophores. • sporophorous adj. Having spores. • SPOROPHOROUS adj. bearing spores, also SPOROPHORIC. |
| SUPPOSITIONS | • suppositions n. Plural of supposition. • SUPPOSITION n. something that is supposed. |
| SUPPOSITIOUS | • suppositious adj. Spurious; substituted for the genuine, counterfeit; fake; supposititious. • suppositious adj. Imaginary; fictitious, pretended to exist. • suppositious adj. Hypothetical, based on supposition; suppositional. |
| UNPROSPEROUS | • unprosperous adj. Not prosperous. • UNPROSPEROUS adj. not prosperous. |