| DEINOTHERE | • deinothere n. (Paleontology) A large, extinct proboscidean mammal of the genus Deinotherium, a relative of the modern elephants. • DEINOTHERE n. an extinct elephantine mammal with downward-curving tusks, also DINOTHERE, DINOTHERIUM. |
| DIETHYLENE | • diethylene n. (Organic chemistry, in combination) Two ethylene groups in a molecule. • DIETHYLENE n. as in diethylene glycol, a colourless soluble liquid. |
| ENSHEATHED | • ensheathed v. Simple past tense and past participle of ensheathe. • ensheathed adj. Enclosed in a sheath. • ENSHEATH v. to enclose as in a sheath, also ENSHEATHE, INSHEATH, INSHEATHE. |
| ENTRENCHED | • entrenched v. Simple past tense and past participle of entrench. • ENTRENCH v. to fix firmly, also INTRENCH. |
| ENWREATHED | • enwreathed v. Simple past tense and past participle of enwreathe. • ENWREATH v. to encircle with a wreath, also ENWREATHE. |
| HEATEDNESS | • heatedness n. The quality of being heated. • HEATEDNESS n. the state of being heated. |
| HEIGHTENED | • heightened v. Simple past tense and past participle of heighten. • heightened adj. Increased in intensity or concentration; elevated, stepped-up. • HEIGHTEN v. to raise. |
| HETERODYNE | • heterodyne adj. Of two oscillations: having two slightly different frequencies such that, when combined, they produce a beat. • heterodyne n. The beat so produced. • heterodyne n. Either the sum or difference of the two oscillations. |
| LENGTHENED | • lengthened v. Simple past tense and past participle of lengthen. • LENGTHEN v. to make longer. |
| METHEDRINE | • methedrine n. A brand name for methamphetamine. • METHEDRINE n. (tradename) a former proprietary name for an amphetamine, methylamphetamine hydrochloride. |
| RETRENCHED | • retrenched v. Simple past tense and past participle of retrench. • RETRENCH v. to cut down expenses. |
| TELEPHONED | • telephoned v. Simple past tense and past participle of telephone. • TELEPHONE v. to contact someone by telephone. |
| THEREUNDER | • thereunder adv. Under that; under it. • THEREUNDER adv. under that. |
| THREATENED | • threatened v. Simple past tense and past participle of threaten. • threatened adj. (Ecology, of a plant or animal) At risk of becoming endangered in the near future. • threatened adj. Feeling insecure or vulnerable. |
| UNHEEDIEST | • UNHEEDY adj. incautious; heedless. |
| UNHELMETED | • unhelmeted adj. Not helmeted; not wearing a helmet. • UNHELMETED adj. not fitted with a helmet. |
| UNTETHERED | • untethered adj. Not tethered; not tied down. • untethered adj. (Figurative) Unrestrained. • UNTETHER v. to free from a tether. |