| AQUARIUMS | • aquariums n. Plural of aquarium. • AQUARIUM n. (Latin) a water filled museum for all forms of aquatic life. |
| BOTHRIUMS | • BOTHRIUM n. (Latin) a groove on a tapeworm. |
| CIBORIUMS | • ciboriums n. Plural of ciborium. • CIBORIUM n. (Latin) a vessel for holding eucharistic bread. |
| DELIRIUMS | • deliriums n. Plural of delirium. • DELIRIUM n. (Latin) the state of wild excitement. |
| EMPORIUMS | • emporiums n. Plural of emporium. • EMPORIUM n. (Latin) a large trading centre. |
| FUSARIUMS | • FUSARIUM n. a type of fungus, causing plant disease. |
| IMPERIUMS | • imperiums n. Plural of imperium. • IMPERIUM n. (Latin) empire, absolute power. |
| MASURIUMS | • MASURIUM n. a name proposed for element number 43, now called technetium. |
| MOTORIUMS | • MOTORIUM n. that part of the nervous system concerned with movement. |
| OSSARIUMS | • OSSARIUM n. (Latin) a depository for the bones of the dead, also OSSUARY. |
| RANARIUMS | • ranariums n. Plural of ranarium. • RANARIUM n. (Latin) a place for rearing frogs. |
| ROSARIUMS | • rosariums n. Plural of rosarium. • ROSARIUM n. (Latin) a rose garden. |
| SAMARIUMS | • SAMARIUM n. a metallic element. |
| SOLARIUMS | • solariums n. Plural of solarium. • SOLARIUM n. (Latin) a room exposed to the sun. |
| VIVARIUMS | • vivariums n. Plural of vivarium. • VIVARIUM n. (Latin) a place for raising and keeping live animals, also VIVARY. |