| ANORTHITE | • anorthite n. (Mineralogy) A variety of plagioclase feldspar, the calcium endmember of that series. • ANORTHITE n. a plagioclase feldspar, calcium aluminium silicate. |
| ANTHOTAXY | • anthotaxy n. (Botany) The arrangement of flowers in a cluster; the science of the relative position of flowers. • ANTHOTAXY n. the arrangement of flowers on a stem or parts on a flower. |
| APATHATON | • APATHATON n. (Shakespeare) an epitheton, an epithet, also EPITHET, EPITHETON. |
| CHATOYANT | • chatoyant adj. (Jewelry) Having a certain optical reflectance effect, which can be likened to the sheen of a spool of silk. • chatoyant n. (Mineralogy) A hard stone, such as the cat’s-eye, which presents on a polished surface, and in the interior… • CHATOYANT adj. (French) having a changeable luster like that of a cat's eye at night. |
| ETHANOATE | • ethanoate n. (Organic chemistry) The acetate anion [C2H3O2]−, a carboxylate and the conjugate base of ethanoic acid… • ETHANOATE n. an ester of acetic acid, aka acetate. |
| HATINATOR | • hatinator n. A small, fascinator-like hat, typically featuring elaborate or extravagant decoration. • HATINATOR n. a small decorative hat, worn on social occasions. |
| HORTATION | • hortation n. The act of exhorting, inciting, or giving advice; exhortation. • HORTATION n. the act of exhorting. |
| NORTHEAST | • northeast n. The intercardinal compass point halfway between north and east; specifically at a bearing of 45°. • northeast adj. Of, in or pertaining to the northeast; northeastern. • northeast adj. Situated toward or in the direction of the northeast; northeastward; northeasterly. |
| OUTTHANKS | • outthanks v. Third-person singular simple present indicative form of outthank. • OUTTHANK v. to surpass in thanking. |
| STENOBATH | • stenobath adj. Alternative form of stenobathic. • STENOBATH n. a stenobathic organism. |
| STONECHAT | • stonechat n. Any of various small Old World passerine birds of the genus Saxicola that feed on insects. • STONECHAT n. a small bird of heath and moor. |
| TALKATHON | • talkathon n. A lengthy speech, discussion or debate. • TALKATHON n. a long talking session. |
| THANATOID | • thanatoid adj. Resembling death; deathlike. • THANATOID adj. apparently dead; deadly. |
| THENABOUT | • thenabout adv. (Obsolete) Alternative form of thenabouts. • THENABOUT adv. at about that time, also THENABOUTS. |
| THIONATES | • thionates n. Plural of thionate. • THIONATE n. a sulphur compound. |
| THORNTAIL | • thorntail n. Any of various hummingbirds of the genus Discosura. • THORNTAIL n. a tropical American hummingbird with bright green plumage. |
| THROATING | • throating v. Present participle of throat. • throating n. (Architecture) A drip or dripstone. • THROAT v. to utter in a hoarse voice. |
| THYRATRON | • thyratron n. (Electronics) Any of several types of thermoelectric valve once used as a high-speed switch. • THYRATRON n. a gas-filled valve with a heated cathode, able to carry very high currents. |
| TITHONIAS | • tithonias n. Plural of tithonia. • TITHONIA n. a tall herb. |
| TRIATHLON | • triathlon n. An athletics event in which contestants compete in swimming, cycling and running in turn. • triathlon n. (Historical) A former Olympic athletics event in which contestants compete in long jump, shot put, and 100-yard dash. • triathlon n. Generally, a sports event in which contestant compete in a combination of three sports. |