| ASPHETERISMS | • ASPHETERISM n. the belief that there should be no private property. |
| ASTROCOMPASS | • astrocompass n. A form of compass in which direction is evaluated by sighting stars of known position. • ASTROCOMPASS n. a navigational instrument for giving directional bearings from the centre of the earth to a particular star. |
| BATSMANSHIPS | • BATSMANSHIP n. skill with the cricket bat. |
| PANSPERMISTS | • panspermists n. Plural of panspermist. • PANSPERMIST n. a believer in panspermism. |
| PASTORALISMS | • pastoralisms n. Plural of pastoralism. • PASTORALISM n. pastoral character, fashion, cult or mode of writing. |
| POLYMASTISMS | • POLYMASTISM n. the presence of supernumerary breasts or nipples, also POLYMASTIA, POLYMASTY. |
| SCYPHISTOMAS | • scyphistomas n. Plural of scyphistoma. • SCYPHISTOMA n. the fixed polypoid stage in the life cycle of a scyphozoan, which reproduces asexually by budding or strobilation. |
| SOMATOPLASMS | • somatoplasms n. Plural of somatoplasm. • SOMATOPLASM n. protoplasm of the somatic cells. |
| SPASMOLYTICS | • spasmolytics n. Plural of spasmolytic. • SPASMOLYTIC n. a spasmolytic drug. |
| SUPREMACISTS | • supremacists n. Plural of supremacist. • SUPREMACIST n. an advocate or adherent of group supremacy. |
| SUPREMATISMS | • SUPREMATISM n. an early 20th century art movement in Russia producing abstract works featuring flat geometric forms. |
| SUPREMATISTS | • suprematists n. Plural of suprematist. • SUPREMATIST n. a practitioner in suprematism. |
| SYMPATHISERS | • sympathisers n. Plural of sympathiser. • SYMPATHISER n. one who sympathises, also SYMPATHIZER. |
| SYNAPTOSOMES | • synaptosomes n. Plural of synaptosome. • SYNAPTOSOME n. a nerve ending that is isolated from homogenized nerve tissue. |