| DYSPROSIUMS | • DYSPROSIUM n. a rare-earth metal used in nuclear research. |
| FISSIPAROUS | • fissiparous adj. Factious, tending to break into pieces. • fissiparous adj. Causing division or fragmenting something. • fissiparous adj. (Cytology) Of cells that reproduce through fission, splitting into two. |
| PERCUSSIONS | • percussions n. Plural of percussion. • PERCUSSION n. the act of striking; musical instruments as drums, etc., sounded by being struck. |
| PERSUASIONS | • persuasions n. Plural of persuasion. • PERSUASION n. the act of persuading. |
| PLESIOSAURS | • plesiosaurs n. Plural of plesiosaur. • PLESIOSAUR n. any of a group of extinct marine reptiles of Mesozoic times. |
| PROBUSINESS | • probusiness adj. In favour of business. • pro-business adj. Alternative spelling of probusiness. • PROBUSINESS adj. in favour of business. |
| REPOUSSOIRS | • repoussoirs n. Plural of repoussoir. • REPOUSSOIR n. (French) a figure or object in the foreground of a painted etc. composition intended to draw the viewer's eye in. |
| SOAPSUDSIER | • SOAPSUDSY adj. like soapsuds. |
| SUBPRIORESS | • subprioress n. A female subprior. • SUBPRIORESS n. an assistant prioress. |
| SUPERIORESS | • superioress n. A mother superior. • SUPERIORESS n. the head of a nunnery. |
| SUPERSONICS | • supersonics n. The study of supersonic motion. • supersonics n. Ultrasonics. • supersonics n. Plural of supersonic. |
| SUPERVISORS | • supervisors n. Plural of supervisor. • SUPERVISOR n. one that supervises. |
| SUPPRESSION | • suppression n. The act or instance of suppressing. • suppression n. The state of being suppressed. • suppression n. (Psychology) A process in which a person consciously excludes anxiety-producing thoughts, feelings, or memories. |
| SUSPENSORIA | • suspensoria n. Plural of suspensorium. • SUSPENSORIUM n. that which holds up a part, esp. the arrangement joining the lower jaw to the cranium in vertebrates below mammals. |
| UROSCOPISTS | • uroscopists n. Plural of uroscopist. • UROSCOPIST n. one who carries out a uroscopy, the diagnosis of diseases by inspection of urine. |