| AMPHITHECIUM | • AMPHITHECIUM n. the outer layer of cells of the embryo of mosses and liverworts that develops into the outer parts of the spore-bearing capsule. |
| EPITHALAMIUM | • epithalamium n. A song or poem celebrating a marriage. • EPITHALAMIUM n. a lyric ode in honor of a bride and bridegroom, also EPITHALAMION. |
| HELIANTHEMUM | • helianthemum n. (Botany) Any of the genus Helianthemum of rockroses. • HELIANTHEMUM n. a garden flower with papery yellow or orange flowers, aka rockrose. |
| HOMOTHERMOUS | • homothermous adj. (Biology) warm-blooded. • HOMOTHERMOUS adj. keeping the same temperature, warm-blooded. |
| IMPOSTHUMATE | • imposthumate v. To apostemate; to form an imposthume or abscess. • IMPOSTHUMATE v. to form or inflict an abscess, also IMPOSTUMATE. |
| LITHOSPERMUM | • lithospermum n. (Botany) Any plant of the genus Lithospermum. • Lithospermum prop.n. A taxonomic genus within the family Boraginaceae – the stoneseeds and gromwells. • LITHOSPERMUM n. a kind of flower. |
| MEALYMOUTHED | • mealymouthed adj. Alternative form of mealy-mouthed. • mealy-mouthed adj. Prone to speaking evasively, indirectly, or duplicitously; not forthright. • MEALYMOUTHED adj. not plain and straightforward. |
| MESOTHELIUMS | • MESOTHELIUM n. squamous cells lining peritoneum, pericardium, and pleura. |
| MESOTHORIUMS | • mesothoriums n. Plural of mesothorium. • MESOTHORIUM n. an old name for either of two radioactive elements. |
| METAMORPHOUS | • metamorphous adj. Metamorphic. • METAMORPHOUS adj. of or relating to metamorphosis (especially of rocks). |
| MOTORMOUTHED | • motormouthed adj. (Informal, of a person) Being a motor mouth; inclined to talk too much. |
| MULTICHAMBER | • multichamber adj. Composed of multiple chambers. |
| MUSHROOMIEST | • MUSHROOMY adj. of or like a mushroom. |
| RHEUMATISMAL | • rheumatismal adj. (Archaic, medicine) Of or pertaining to rheumatism; rheumatic. • RHEUMATISMAL adj. relating to rheumatism. |
| SHAMATEURISM | • shamateurism n. The fact or practice of being a shamateur; making money out of sports despite professing to be an amateur. • SHAMATEURISM n. the retention of amateur status while receiving payment for playing or competing. |
| SUMMERWEIGHT | • summerweight adj. (Of clothing) Of relatively light weight, intended for use in warm summers. • SUMMERWEIGHT adj. of clothes, suitable in weight for wear in the summer; relatively light. |
| XERANTHEMUMS | • xeranthemums n. Plural of xeranthemum. • XERANTHEMUM n. any plant of the Xeranthemum genus of plants of southern Europe, belonging to the thistle family. |