| ANTIPHONARIES | • antiphonaries n. Plural of antiphonary. • ANTIPHONARY n. a book of antiphons or of anthems, also ANTIPHONAL, ANTIPHONER. |
| ARSPHENAMINES | • arsphenamines n. Plural of arsphenamine. • ARSPHENAMINE n. another name for salvarsan, a compound of arsenic once used as a remedy for syphilis. |
| CRAPEHANGINGS | • CRAPEHANGING n. pessimism, also CREPEHANGING. |
| FLANNELGRAPHS | • flannelgraphs n. Plural of flannelgraph. • FLANNELGRAPH n. a display board covered with flannel or felt, on which letters, pictures, etc. backed with material will stick when pressed against it. |
| GRANTSMANSHIP | • grantsmanship n. The art of obtaining grants-in-aid. • GRANTSMANSHIP n. the art of obtaining grants for research. |
| MORPHINOMANIA | • morphinomania n. (Dated) morphine addiction. • MORPHINOMANIA n. a habitual craving or desire for morphine. |
| NASOPHARYNGES | • nasopharynges n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages. |
| NASOPHARYNXES | • nasopharynxes n. Plural of nasopharynx. • NASOPHARYNX n. the upper part of the pharynx continuous with the nasal passages. |
| PANHARMONICON | • panharmonicon n. A mechanical musical instrument that could imitate various instruments and generate sound effects. • PANHARMONICON n. a mechanical musical instrument mimicking an orchestra. |
| PANPHARMACONS | • panpharmacons n. Plural of panpharmacon. • PANPHARMACON n. a universal remedy. |
| PAPERHANGINGS | • paperhangings n. Plural of paperhanging. • PAPERHANGING n. decorative paper used for covering interior walls. |
| PARASYNTHETON | • parasyntheton n. (Grammar) A parasynthetic compound. • PARASYNTHETON n. a word derived from a compound, e.g. come-at-able. |
| PARENCEPHALON | • parencephalon n. (Anatomy) The cerebellum. • PARENCEPHALON n. a cerebral hemisphere. |
| PHALANSTERIAN | • phalansterian n. One who favours the system of phalansteries proposed by Charles Fourier. • PHALANSTERIAN n. a person who supports the idea of phalansterism, the Fourier land system. |
| PHENARSAZINES | • PHENARSAZINE n. an arsenic derivative used as a poison gas, aka adamsite. |
| PLATYRRHINIAN | • PLATYRRHINIAN adj. having a short, flat nose. • PLATYRRHINIAN n. someone with a short flat nose. |
| RHINENCEPHALA | • rhinencephala n. Plural of rhinencephalon. • RHINENCEPHALON n. the olfactory lobe of the brain. |
| STRAPHANGINGS | • STRAPHANGING n. the act of straphanging. |