| GASTROSCOPIST | • gastroscopist n. One who carries out gastroscopy. • GASTROSCOPIST n. one who uses a gastroscope. |
| HYPSOMETRISTS | • HYPSOMETRIST n. a practitioner of hypsometry, the measuring the heights of places on the earth's surface. |
| OSTEOPETROSIS | • osteopetrosis n. (Pathology) A rare hereditary disorder characterized by hard, dense bones. • OSTEOPETROSIS n. a general name for a group of hereditary bone diseases, including marble bone disease, in which bone becomes abnormally dense. |
| PATRISTICISMS | • PATRISTICISM n. the mode of thought, etc., of the fathers of the Christian church. |
| PERIOSTITISES | • PERIOSTITIS n. inflammation of the periosteum. |
| PROSTATITISES | • PROSTATITIS n. inflammation of the prostate gland. |
| PSYCHIATRISTS | • psychiatrists n. Plural of psychiatrist. • PSYCHIATRIST n. one who practises psychiatry, also PSYCHIATER. |
| SPINSTERLIEST | • SPINSTERLY adj. like a spinster, also SPINSTERIAL, SPINSTERIAN, SPINSTERISH. |
| SPIRITUALISTS | • spiritualists n. Plural of spiritualist. • Spiritualists n. Plural of Spiritualist. • SPIRITUALIST n. one who believes that nothing is real except the soul or spirit, also SPIRITIST. |
| SPORTSWRITERS | • sportswriters n. Plural of sportswriter. • sports␣writers n. Plural of sports writer. • SPORTSWRITER n. a person who writes about sports esp. for a newspaper. |
| STEREOSCOPIST | • stereoscopist n. One skilled in the use or construction of stereoscopes. • STEREOSCOPIST n. one who uses a stereoscope, an instrument for viewing special three-dimensional photographs. |
| STEREOTYPISTS | • stereotypists n. Plural of stereotypist. • STEREOTYPIST n. one who makes stereotypes. |
| STREPTOLYSINS | • streptolysins n. Plural of streptolysin. • STREPTOLYSIN n. an antigenic hemolysin produced by streptococci. |
| SUPERSTATIONS | • superstations n. Plural of superstation. • SUPERSTATION n. an exceptional station. |
| SUPERSTITIONS | • superstitions n. Plural of superstition. • SUPERSTITION n. false worship or religion; an ignorant and irrational belief in supernatural agency. |
| SUPERSTITIOUS | • superstitious adj. Susceptible to superstitions. • superstitious adj. Arising from or having the character of superstitions. • superstitious adj. (Archaic) overexact; unnecessarily scrupulous. |