| APOMORPHINES | • apomorphines n. Plural of apomorphine. • APOMORPHINE n. an alkaloid prepared by dehydrating morphine, also APOMORPHIA. |
| MONOCROPPING | • monocropping n. (Agriculture) The practice of growing a single crop year after year on the same land. • MONOCROP v. to plant the same crop in the same field year after year. |
| OPPORTUNISMS | • opportunisms n. Plural of opportunism. • OPPORTUNISM n. the practice of regulating actions by favourable opportunities rather than consistent principles. |
| PERISPOMENON | • perispomenon adj. (Linguistics, of a word) Having a circumflex accent on the last syllable. • perispomenon n. (Linguistics) A word with a circumflex accent on the last syllable. • PERISPOMENON n. a word having a circumflex accent on the final syllable. |
| PHONOCAMPTIC | • phonocamptic adj. Reflecting sound. • PHONOCAMPTIC adj. reflecting sound, echoing; relating to echoes. |
| PHOSPHONIUMS | • phosphoniums n. Plural of phosphonium. • PHOSPHONIUM n. the radical PH4, analogous to ammonium. |
| PHOTOMAPPING | • photomapping v. Present participle of photomap. • PHOTOMAP v. to map by means of aerial photography. |
| POSTPONEMENT | • postponement n. A delay, as a formal delay in a proceeding. • POSTPONEMENT n. the act of postponing. |
| PRECOMPOSING | • precomposing v. Present participle of precompose. • PRECOMPOSE v. to compose beforehand. |
| PYTHONOMORPH | • pythonomorph n. Any large extinct reptile of the taxon Pythonomorpha. • pythonomorph n. Any member of the taxon Pythonomorpha. • PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs. |
| SPHYGMOPHONE | • sphygmophone n. (Physiology) An electrical instrument for determining by ear the rhythm of the pulse of a person at a distance. • SPHYGMOPHONE n. an instrument for hearing the pulse. |
| SYNAPOMORPHY | • synapomorphy n. (Cladistics) A derived trait that is shared by two or more taxa of shared ancestry. |