| DIPHENYLKETONES | • diphenylketones n. Plural of diphenylketone. • DIPHENYLKETONE n. the aromatic ketone benzophenone. |
| HALFPENNYWORTHS | • halfpennyworths n. Plural of halfpennyworth. • HALFPENNYWORTH n. as much as is sold for a halfpenny or is worth a halfpenny. |
| HYPERINFLATIONS | • hyperinflations n. Plural of hyperinflation. • HYPERINFLATION n. inflation growing at a very high rate in a very short time. |
| HYPERSALINITIES | • hypersalinities n. Plural of hypersalinity. • HYPERSALINITY n. excessive salinity. |
| HYPERSALIVATION | • hypersalivation n. (Medicine) An excessive flow of saliva. • HYPERSALIVATION n. excessive salivation. |
| HYPERVENTILATES | • hyperventilates v. Third-person singular simple present indicative form of hyperventilate. • HYPERVENTILATE v. to breathe rapidly and deeply. |
| HYPOCRYSTALLINE | • hypocrystalline adj. (Geology, of igneous rocks) having both glass and crystalline components. • HYPOCRYSTALLINE adj. of igneous rocks, having both glass and crystalline components. |
| LYMPHADENITISES | • lymphadenitises n. Plural of lymphadenitis. • LYMPHADENITIS n. inflammation of the lymph nodes. |
| PANTHEISTICALLY | • pantheistically adv. In a pantheistic manner. • PANTHEISTICAL adv. relating to pantheism, also PANTHEISTIC. |
| PHENETHYLAMINES | • phenethylamines n. Plural of phenethylamine. |
| PHENYLBUTAZONES | • phenylbutazones n. Plural of phenylbutazone. • PHENYLBUTAZONE n. a drug formerly used as an analgesic, but now largely restricted to veterinary use. |
| PHENYLTHIOUREAS | • phenylthioureas n. Plural of phenylthiourea. • PHENYLTHIOUREA n. a crystalline compound used to test for the presence of a certain dominant gene (the compound tasting bitter to those who possess the gene). |
| PHTHALOCYANINES | • phthalocyanines n. Plural of phthalocyanine. • PHTHALOCYANINE n. any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANIN. |
| POLYSYNTHESISMS | • POLYSYNTHESISM n. the state of being polysynthetic. |
| POLYSYNTHETICAL | • polysynthetical adj. Alternative form of polysynthetic. • POLYSYNTHETICAL adj. made up of many separate elements, also POLYSYNTHETIC. |
| POLYSYNTHETISMS | • POLYSYNTHETISM n. the state of being polysynthetic. |
| PSYCHOGENETICAL | • PSYCHOGENETICAL adj. relating to psychogenesis, the origin and development of the mind, also PSYCHOGENETIC. |
| TRIPHENYLAMINES | • triphenylamines n. Plural of triphenylamine. • TRIPHENYLAMINE n. a crystalline compound corresponding to ammonia with all the hydrogen replaced by phenyl. |