| DEUTERIUMS | • deuteriums n. Plural of deuterium. • DEUTERIUM n. heavy hydrogen, an isotope of hydrogen of double mass. |
| ECOMUSEUMS | • ecomuseums n. Plural of ecomuseum. • ECOMUSEUM n. a type of interdisciplinary museum presenting the history and heritage of a region. |
| EQUISETUMS | • equisetums n. Plural of equisetum. • EQUISETUM n. (Latin) a plant, horsetail. |
| EREMURUSES | • eremuruses n. Plural of eremurus. • EREMURUS n. (Latin) a flower, the foxtail lily. |
| EUONYMUSES | • euonymuses n. Plural of euonymus. • EUONYMUS n. a plant of the burning bush family, also EVONYMUS. |
| HUMORESQUE | • humoresque n. (Music) A composition that is playful in attitude and tone. • HUMORESQUE n. a musical caprice, also HUMORESK. |
| MANSUETUDE | • mansuetude n. (Archaic) Gentleness, tameness. • MANSUETUDE n. the state of being gentle, meekness, tameness. |
| MUSEUMGOER | • museumgoer n. A person who visits a museum. • museum-goer n. Alternative form of museumgoer. |
| OUTMEASURE | • outmeasure v. (Transitive) To exceed in quantity or extent. • OUTMEASURE v. to exceed in measure or extent. |
| QUERCETUMS | • quercetums n. Plural of quercetum. • QUERCETUM n. (Latin) a plantation of oak trees. |
| SEQUESTRUM | • sequestrum n. A fragment of bone or other dead tissue that has separated during necrosis. • SEQUESTRUM n. (Latin) a portion of dead bone which becomes separated from the sound portion, as in necrosis. |
| SUBDUEMENT | • subduement n. (Obsolete) subdual; act of subduing. • SUBDUEMENT n. subdual. |
| UMBELLULES | • umbellules n. Plural of umbellule. • UMBELLULE n. a partial umbel, also UMBELULE. |
| UNMEASURED | • unmeasured adj. Not having been measured. • unmeasured adj. Beyond measure; vast; measureless. • UNMEASURED adj. not limited or known by measurement. |
| UNSUMMERED | • unsummered adj. (Poetic) Without summer or its warmth and joy; summerless. • UNSUMMERED adj. not possessing the characteristics of summer. |