| EPIMORPHOSES | • EPIMORPHOSIS n. a type of development in animals, such as certain insect larvae, in which segmentation of the body is complete before hatching. |
| LEPIDOPTERON | • lepidopteron n. (Zoology) Any insect of the order Lepidoptera. • LEPIDOPTERON n. any of numerous insects of the order Lepidoptera, typically having two pairs of wings covered with fragile scales, also LEPIDOPTERAN. |
| OLIGOPEPTIDE | • oligopeptide n. (Biochemistry) A peptide containing a relatively small number of amino acids. • OLIGOPEPTIDE n. a peptide comprising less than ten amino acids. |
| OPEIDOSCOPES | • opeidoscopes n. Plural of opeidoscope. • OPEIDOSCOPE n. an instrument for illustrating sound by means of light. |
| OPOTHERAPIES | • OPOTHERAPY n. treatment by administration of extracts of animal organs, esp. ductless glands. |
| OPPOSITENESS | • oppositeness n. The state or condition of being opposite. • OPPOSITENESS n. the state of being opposite. |
| OVERPEOPLING | • overpeopling v. Present participle of overpeople. • OVERPEOPLE v. to people too densely. |
| 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. |
| PLEIOTROPIES | • pleiotropies n. Plural of pleiotropy. • PLEIOTROPY n. the property of having an effect simultaneously on more than one characteristic of the offspring. |
| PLEOMORPHIES | • PLEOMORPHY n. the state of being pleomorphic, occurring in several different forms. |
| PLEROPHORIES | • plerophories n. Plural of plerophory. • PLEROPHORY n. full conviction, also PLEROPHORIA. |
| POLYISOPRENE | • polyisoprene n. (Chemistry) Any polymer whose constituent monomer is isoprene; especially natural, and some synthetic, rubbers. • POLYISOPRENE n. a rubberlike polymer of isoprene. |
| PREPORTIONED | • preportioned v. Simple past tense and past participle of preportion. • preportioned adj. Divided into portions in advance. • pre-portioned v. Simple past tense and past participle of pre-portion. |
| PSEPHOLOGIES | • PSEPHOLOGY n. the study of political elections. |