| ACTINOURANIUMS | • ACTINOURANIUM n. the isotope of uranium that has a mass number of 235. |
| ARMAMENTARIUMS | • armamentariums n. Plural of armamentarium. • ARMAMENTARIUM n. the collection of equipment and techniques available to one in a particular field, esp. in medicine. |
| DECAMETHONIUMS | • DECAMETHONIUM n. a type of muscle relaxant. |
| EVANGELIARIUMS | • EVANGELIARIUM n. (Latin) a book of passages from the Gospels to be used at Mass or other services, also EVANGELARIUM, EVANGELIAR, EVANGELIARION, EVANGELIARY. |
| FERROCHROMIUMS | • FERROCHROMIUM n. an alloy of iron with chromium, also FERROCHROME. |
| HEXAMETHONIUMS | • hexamethoniums n. Plural of hexamethonium. • HEXAMETHONIUM n. either of two compounds used as ganglionic blocking agents in the treatment of hypertension. |
| LECTISTERNIUMS | • lectisterniums n. Plural of lectisternium. • LECTISTERNIUM n. (Latin) an ancient Greek/Roman religious rite in which the images of gods were placed on couches and food spread before them. |
| PLATINIRIDIUMS | • PLATINIRIDIUM n. an alloy of platinum and iridium. |
| PROTOACTINIUMS | • PROTOACTINIUM n. a radioactive element that yields actinium on disintegration. |
| RUTHERFORDIUMS | • RUTHERFORDIUM n. an artificially produced radioactive transuranic element. |
| SCOLOPENDRIUMS | • SCOLOPENDRIUM n. any fern with undivided leaves of the genus Scolopendrium, including hart's tongue. |
| SUCCINCTORIUMS | • SUCCINCTORIUM n. a band embroidered with an Agnus Dei, worn hanging from the girdle by the Pope on some occasions. |
| VIVISECTORIUMS | • VIVISECTORIUM n. a place for vivisection. |