| CHERISHMENTS | • cherishments n. Plural of cherishment. • CHERISHMENT n. the act of cherishing. |
| CHLOROETHENE | • chloroethene n. (Organic chemistry) vinyl chloride, or any other chlorinated derivative of ethene. • CHLOROETHENE n. ethyl chloride. |
| CHRISTOPHENE | • christophene n. Alternative form of christophine. |
| ETHNOGRAPHER | • ethnographer n. One who practices ethnography. • ETHNOGRAPHER n. a student of ethnography. |
| HEARTHSTONES | • hearthstones n. Plural of hearthstone. • HEARTHSTONE n. a stone forming a hearth. |
| HEMERYTHRINS | • hemerythrins n. Plural of hemerythrin. • HEMERYTHRIN n. an iron-containing respiratory pigment in the blood of various chiefly marine invertebrates. |
| HEPTAHEDRONS | • heptahedrons n. Plural of heptahedron. • HEPTAHEDRON n. a solid figure having several plane faces. |
| HETEROCHRONY | • heterochrony n. (Biology) the variation in ontogeny of individuals of a species that gives rise to evolution. • HETEROCHRONY n. divergence from normal time sequence in development, also HETEROCHRONISM. |
| HYPERSTHENES | • hypersthenes n. Plural of hypersthene. • HYPERSTHENE n. a rock-forming orthorhombic silicate of magnesium and ferrous iron. |
| HYPERSTHENIA | • hypersthenia n. (Pathology, archaic) A morbid condition marked by excessive excitement of all the vital phenomena. • HYPERSTHENIA n. a morbid condition marked by excessive excitement of all the vital phenomena. |
| HYPERSTHENIC | • hypersthenic adj. (Mineralogy) Composed of, or containing, hypersthene. • hypersthenic adj. Having or relating to hypersthenia. • hypersthenic n. A person who has hypersthenia. |
| NYCHTHEMERAL | • nychthemeral adj. Lasting a nychthemeron (24 hours). • NYCHTHEMERAL adj. (Greek) of or relating to a nychthemeron or 24-hour period. |
| NYCHTHEMERON | • nychthemeron n. A period of one day and one night, a date: in the West, this is a period of 24 consecutive hours. • NYCHTHEMERON n. (Greek) a full period of a day and night. |
| PHANEROPHYTE | • phanerophyte n. (Biology) Any woody plant that carries its dormant buds openly on branches above the ground. • PHANEROPHYTE n. a perennial plant that bears its perennating buds well above the surface of the ground. |
| PHENANTHRENE | • phenanthrene n. (Organic chemistry) A tricyclic aromatic hydrocarbon obtained from coal tar; used in the manufacture… • PHENANTHRENE n. an aromatic hydrocarbon of coal tar. |
| THEATROPHONE | • theatrophone n. Alternative spelling of théâtrophone. • théâtrophone n. (Dated) An early telephone technology allowing subscribers to listen to live opera and theatre performances. • THEATROPHONE n. (historical) a telephone connecting callers to a theatre so they can listen to a live performance there. |
| THERMOHALINE | • thermohaline adj. Of, or relating to a combination of temperature and salinity. • thermohaline n. Thermohaline circulation. • THERMOHALINE adj. involving both temperature and salinity. |
| THIRTEENTHLY | • thirteenthly adv. In the thirteenth place; thirteenth in a row. • THIRTEENTH adv. number thirteen in sequence. |
| THUNDERHEADS | • thunderheads n. Plural of thunderhead. • THUNDERHEAD n. a thunder cloud. |
| WHATSHERNAME | • whatshername pron. (Informal) A female person whose name cannot be recalled. • WHATSHERNAME n. a designation for a female whose name one cannot remember, also WHATSERNAME. |