| EUPEPTICITIES | • EUPEPTICITY n. the state of being eupeptic. |
| LEPIDOPTERIST | • lepidopterist n. Someone who studies lepidoptery; someone who studies butterflies and moths. • LEPIDOPTERIST n. a specialist in lepidopterology. |
| MICROPIPETTES | • micropipettes n. Plural of micropipette. • MICROPIPETTE n. a very fine pipette, also MICROPIPET. |
| OPPORTUNITIES | • opportunities n. Plural of opportunity. • OPPORTUNITY n. a favorable juncture of circumstances. |
| PEPTONISATION | • peptonisation n. Alternative form of peptonization. • PEPTONISATION n. the process of peptonising, also PEPTONIZATION. |
| PERIHEPATITIS | • perihepatitis n. (Medicine, pathology) Inflammation of the serous or peritoneal coating of the liver. • PERIHEPATITIS n. inflammation of the peritoneum covering the liver. |
| PERITYPHLITIS | • perityphlitis n. (Medicine) inflammation of the connective tissue around the caecum. • PERITYPHLITIS n. inflammation of some part near the caecum or blindgut. |
| PERSPECTIVIST | • perspectivist n. A proponent of perspectivism. • PERSPECTIVIST n. a believer in perspectivism. |
| PHOTOPOSITIVE | • photopositive adj. (Biology) having a positive phototropic or phototactic response; attracted by light. • PHOTOPOSITIVE adj. exhibiting positive phototropism or phototaxis. |
| POSTEPILEPTIC | • postepileptic adj. After an attack of epilepsy. • POSTEPILEPTIC adj. taking place after an epileptic fit. |
| POSTPOSITIVES | • postpositives n. Plural of postpositive. • POSTPOSITIVE n. a postpositive adjective. |
| PRECAPITALIST | • precapitalist adj. Pertaining to precapitalism, a time before capitalism. • precapitalist n. A member of a precapitalist society. • PRECAPITALIST adj. belonging to the period before capitalism. |
| PRECIPITATORS | • precipitators n. Plural of precipitator. • PRECIPITATOR n. one who precipitates. |
| STAIRSTEPPING | • STAIRSTEP v. to carry out an exercise like stepping on a stair. |