| PALINGENESY | • palingenesy n. (Archaic, rare) Rebirth; regeneration. • PALINGENESY n. the remelting of rock followed by solidification into a different form, also PALINGENESIA, PALINGENESIS. |
| SCRAPEPENNY | • scrape-penny n. (Archaic) A miser. • SCRAPEPENNY n. (archaic) a miser, a skinflint. |
| PHENYLAMINES | • phenylamines n. Plural of phenylamine. • PHENYLAMINE n. another name for aniline. |
| SEPTENNIALLY | • septennially adv. Once in every seven years. • SEPTENNIAL adv. lasting or continuing seven years; as, septennial parliaments. |
| BENZOAPYRENES | • benzoapyrenes n. Plural of benzoapyrene. • BENZOAPYRENE n. a carcinogenic hydrocarbon found in coal tar, also BENZPYRENE. |
| CYCLOPENTANES | • cyclopentanes n. Plural of cyclopentane. • CYCLOPENTANE n. a colourless insoluble cycloalkane found in petroleum and used mainly as a solvent. |
| HYMENOPTERANS | • hymenopterans n. Plural of hymenopteran. • HYMENOPTERAN n. an order of insect having four membranous wings, e.g. ants, bees, wasps, also HYMENOPTERON. |
| UNDERPAYMENTS | • underpayments n. Plural of underpayment. • UNDERPAYMENT n. an insufficient payment. |
| DIPHENYLAMINES | • diphenylamines n. Plural of diphenylamine. • DIPHENYLAMINE n. a crystalline compound used chiefly in the manufacture of dyes and as an indicator. |
| PHENYLALANINES | • phenylalanines n. Plural of phenylalanine. • PHENYLALANINE n. an essential amino-acid present in most proteins, also PHENYLALANIN. |
| INTERPERSONALLY | • interpersonally adv. In an interpersonal way. • INTERPERSONAL adv. relating to relations between persons. |
| MYELENCEPHALONS | • MYELENCEPHALON n. the posterior part of the developing vertebrate hindbrain or the corresponding part of the adult brain composed of the medulla oblongata. |
| 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. |
| PSEUDOPREGNANCY | • pseudopregnancy n. Pseudocyesis or false pregnancy. • pseudopregnancy n. The persistence of the corpus luteum following infertile copulation in some mammals. • PSEUDOPREGNANCY n. false pregnancy. |
| SEPTENTRIONALLY | • septentrionally adv. (Obsolete, nonce word) northerly. • SEPTENTRIONAL adv. (obsolete) northern, also SEPTENTRIAL. |
| TRIPHENYLAMINES | • triphenylamines n. Plural of triphenylamine. • TRIPHENYLAMINE n. a crystalline compound corresponding to ammonia with all the hydrogen replaced by phenyl. |