| DYSPROSIUMS | • DYSPROSIUM n. a rare-earth metal used in nuclear research. |
| PROSELYTISMS | • proselytisms n. Plural of proselytism. • PROSELYTISM n. conversion. |
| SYMPOSIARCHS | • symposiarchs n. Plural of symposiarch. • SYMPOSIARCH n. the master, director, etc. of a feast or conference. |
| CRYPTOSYSTEMS | • cryptosystems n. Plural of cryptosystem. |
| GYROCOMPASSES | • gyrocompasses n. Plural of gyrocompass. • gyro␣compasses n. Plural of gyro compass. • GYROCOMPASS n. a compass which indicates direction by the freely moving axis of a rapidly spinning wheel. |
| HYPSOMETRISTS | • HYPSOMETRIST n. a practitioner of hypsometry, the measuring the heights of places on the earth's surface. |
| LARYNGOSPASMS | • laryngospasms n. Plural of laryngospasm. • LARYNGOSPASM n. spasmodic closure of the larynx. |
| PARASYMBIOSES | • PARASYMBIOSIS n. the symbiotic relationship that occurs between certain species of fungi and lichens. |
| PARASYMBIOSIS | • parasymbiosis n. (Biology) The condition of being parasymbiotic. • PARASYMBIOSIS n. the symbiotic relationship that occurs between certain species of fungi and lichens. |
| PROSYLLOGISMS | • prosyllogisms n. Plural of prosyllogism. • pro-syllogisms n. Plural of pro-syllogism. • PROSYLLOGISM n. a syllogism whose conclusion forms the premise of another. |
| SAPROPHYTISMS | • SAPROPHYTISM n. being a saprophyte. |
| COMMISSARYSHIP | • commissaryship n. The position or employment of a commissary. • COMMISSARYSHIP n. the office of commissary. |
| PSYCHOMETRISTS | • psychometrists n. Plural of psychometrist. • PSYCHOMETRIST n. one who practises psychometry. |
| SYMPIESOMETERS | • sympiesometers n. Plural of sympiesometer. • SYMPIESOMETER n. instrument for measuring pressure of a current. |
| COMMISSARYSHIPS | • commissaryships n. Plural of commissaryship. • COMMISSARYSHIP n. the office of commissary. |
| MICROPHYSICISTS | • microphysicists n. Plural of microphysicist. • MICROPHYSICIST n. a physicist who specializes in microphysics. |
| TRYPANOSOMIASES | • trypanosomiases n. Plural of trypanosomiasis. • TRYPANOSOMIASIS n. infection with or disease caused by trypanosomes. |
| TRYPANOSOMIASIS | • trypanosomiasis n. (Pathology) Any of several diseases or infections caused by a trypanosome. • TRYPANOSOMIASIS n. infection with or disease caused by trypanosomes. |