| ARCHIPHONEMES | • archiphonemes n. Plural of archiphoneme. • ARCHIPHONEME n. an abstract linguistic unit representing two or more phonemes when the distinction between these has been neutralized, conventionally shown by a capital letter within slashes. |
| CHLOROMETHANE | • chloromethane n. (Organic chemistry) Any chlorinated derivative of methane, but especially CH3Cl (methyl chloride) once… • CHLOROMETHANE n. an organic compound, methyl chloride. |
| HELIANTHEMUMS | • helianthemums n. Plural of helianthemum. • HELIANTHEMUM n. a garden flower with papery yellow or orange flowers, aka rockrose. |
| HELMINTHIASES | • helminthiases n. Plural of helminthiasis. • HELMINTHIASIS n. infestation with worms. |
| HEXAMETHONIUM | • hexamethonium n. (Pharmacology) Synonym of hexamethonium bromide. • HEXAMETHONIUM n. either of two compounds used as ganglionic blocking agents in the treatment of hypertension. |
| HOMEOWNERSHIP | • homeownership n. The state of being a homeowner. • home␣ownership n. The ownership of a home, (or collectively) homes. • home␣ownership n. The situation of owning one’s home. |
| HYPOMENORRHEA | • hypomenorrhea n. The condition of menstrual blood flow that is extremely light. • HYPOMENORRHEA n. the condition in which the interval between two menstrual periods is increased to between 35 and 42 days, also HYPOMENORRHOEA. |
| LIGHTHOUSEMEN | • lighthousemen n. Plural of lighthouseman. • LIGHTHOUSEMAN n. one who keeps a lighthouse. |
| METHYLPHENOLS | • METHYLPHENOL n. a type of aromatic organic compound, aka cresol. |
| MORPHOPHONEME | • morphophoneme n. (Linguistics) One of the units of which the underlying representations of morphemes are composed. • MORPHOPHONEME n. either or any of two or more phonemes which form variant morphs representing one morpheme (as in wife, wives). |
| NEMATHELMINTH | • nemathelminth n. Any nematode worm. • NEMATHELMINTH n. a member of the Nemathelminthes, a phylum of worms including nematodes. |
| NYCHTHEMERONS | • nychthemerons n. Plural of nychthemeron. • NYCHTHEMERON n. (Greek) a full period of a day and night. |
| PHENYLMETHYLS | • PHENYLMETHYL n. an ester of benzene, aka benzyl. |
| PHILHELLENISM | • philhellenism n. A 19th-century intellectual movement which supported the independence of Greece from the Ottoman Empire. • philhellenism n. Love of Greece. • PHILHELLENISM n. a love of Greece. |
| SYNCHROMESHES | • synchromeshes n. Plural of synchromesh. • SYNCHROMESH n. a synchromesh gear. |
| WHATSHERNAMES | • WHATSHERNAME n. a designation for a female whose name one cannot remember, also WHATSERNAME. |