| ARSPHENAMINES | • arsphenamines n. Plural of arsphenamine. • ARSPHENAMINE n. another name for salvarsan, a compound of arsenic once used as a remedy for syphilis. |
| COMPANIONWAYS | • companionways n. Plural of companionway. • COMPANIONWAY n. the stairs from upper deck of ship to lower deck. |
| COMPLANATIONS | • COMPLANATION n. the state of being flattened. |
| DERMAPLANINGS | • DERMAPLANING n. a cosmetic treatment, often used to treat acne scars, in which surface irregularities are surgically scraped to give the skin a smoother appearance. |
| EMANCIPATIONS | • emancipations n. Plural of emancipation. • EMANCIPATION n. the act of emancipating. |
| GRANTSMANSHIP | • grantsmanship n. The art of obtaining grants-in-aid. • GRANTSMANSHIP n. the art of obtaining grants for research. |
| IMPLANTATIONS | • implantations n. Plural of implantation. • IMPLANTATION n. the act of implanting something. |
| MANIPULATIONS | • manipulations n. Plural of manipulation. • MANIPULATION n. the act of manipulating. |
| MANSPLAININGS | • MANSPLAINING n. the act of explaining (something) to a woman in a patronizing or condescending way. |
| MANSPREADINGS | • MANSPREADING n. the practice by a male passenger on public transport of sitting with his legs wide apart, so denying space to passengers beside him. |
| NYMPHOMANIACS | • nymphomaniacs n. Plural of nymphomaniac. • NYMPHOMANIAC n. one afflicted with nymphomania. |
| PANDAEMONIUMS | • PANDAEMONIUM n. riotous uproar, also PANDEMONIUM. |
| PANPHARMACONS | • panpharmacons n. Plural of panpharmacon. • PANPHARMACON n. a universal remedy. |
| PERMANGANATES | • permanganates n. Plural of permanganate. • PERMANGANATE n. a salt of permanganic acid. |
| PHAEOMELANINS | • phaeomelanins n. Plural of phaeomelanin. • PHAEOMELANIN n. a reddish-brown pigment in animals, including birds. |
| PHANTASMALIAN | • phantasmalian adj. (Rare) phantasmal. • PHANTASMALIAN adj. like a phantasm. |
| POLLYANNAISMS | • POLLYANNAISM n. a pollyannaish observation. |
| UNCOMPLAISANT | • uncomplaisant adj. Not complaisant. • UNCOMPLAISANT adj. not complaisant. |