| SYMPOSIUMS | • symposiums n. Plural of symposium. • SYMPOSIUM n. (Greek) a conference. |
| DYSPHEMISMS | • dysphemisms n. Plural of dysphemism. • DYSPHEMISM n. the substitution of a disagreeable or offensive expression for an agreeable or inoffensive one, e.g. The Holocaust (the dysphemism chosen by Jewish historians to replace the Nazis' ghastly euphemism, The Final Solution). |
| SYMPHILISMS | • SYMPHILISM n. the state of being in a symbiotic relationship. |
| POLYMASTISMS | • POLYMASTISM n. the presence of supernumerary breasts or nipples, also POLYMASTIA, POLYMASTY. |
| MYCOPLASMOSIS | • mycoplasmosis n. Infection by Mycoplasma bacteria. • MYCOPLASMOSIS n. infection by Mycoplasma. |
| SYMPTOMATISES | • SYMPTOMATISE v. to be a symptom of, also SYMPTOMATIZE. |
| COMMISSARYSHIP | • commissaryship n. The position or employment of a commissary. • COMMISSARYSHIP n. the office of commissary. |
| METEMPSYCHOSIS | • metempsychosis n. Transmigration of the soul, especially its reincarnation after death. • METEMPSYCHOSIS n. the passing of the soul at death into another body either human or animal. |
| MONOPHYSITISMS | • MONOPHYSITISM n. belief that Christ was primarily divine but in human form. |
| SYMPIESOMETERS | • sympiesometers n. Plural of sympiesometer. • SYMPIESOMETER n. instrument for measuring pressure of a current. |
| SYNAPOSEMATISM | • SYNAPOSEMATISM n. warning coloration common to many species in region. |
| COMMISSARYSHIPS | • commissaryships n. Plural of commissaryship. • COMMISSARYSHIP n. the office of commissary. |
| METEMPSYCHOSIST | • metempsychosist n. One who believes in metempsychosis. • METEMPSYCHOSIST n. a believer in metempsychosis, the passing of the soul at death into another body either human or animal. |
| SUPERSYMMETRIES | • supersymmetries n. Plural of supersymmetry. • SUPERSYMMETRY n. the correspondence between fermions and bosons of identical mass that is postulated to have existed during the opening moments of the big bang and that relates gravity to the other forces of nature. |
| SYMPHYSEOTOMIES | • SYMPHYSEOTOMY n. the operation of cutting through the pubic symphysis, also SYMPHYSIOTOMY. |
| SYMPHYSIOTOMIES | • symphysiotomies n. Plural of symphysiotomy. • SYMPHYSIOTOMY n. the operation of cutting through the pubic symphysis, also SYMPHYSEOTOMY. |
| SYNAPOSEMATISMS | • SYNAPOSEMATISM n. warning coloration common to many species in region. |