| BLACKHEADED | • blackheaded adj. Having a black head. • BLACKHEADED adj. having a black head. |
| CHARACTERED | • charactered v. Simple past tense and past participle of character. • CHARACTER v. (archaic) to engrave, inscribe. |
| CLEANHANDED | • cleanhanded adj. Alternative spelling of clean-handed. • clean-handed adj. (Chiefly UK) Innocent and candid; free from corruption. • CLEANHANDED adj. with clean hands. |
| CLEARHEADED | • clearheaded adj. Having the ability to think clearly and act appropriately. • clear-headed adj. Alternative spelling of clearheaded. • CLEARHEADED adj. having or showing a clear understanding. |
| DECAHYDRATE | • decahydrate n. (Chemistry) A hydrate whose solid contains ten molecules of water of crystallization per molecule, or per unit cell. • DECAHYDRATE n. a compound containing ten molecules of water of crystallization. |
| DENDRACHATE | • dendrachate n. (Mineralogy) An arborescent or dendritic agate. • DENDRACHATE n. moss agate. |
| DIENCEPHALA | • diencephala n. Plural of diencephalon. • DIENCEPHALON n. the back of the forebrain, connecting the midbrain with the cerebral hemispheres. |
| DODECAHEDRA | • dodecahedra n. Plural of dodecahedron. • DODECAHEDRON n. (Greek) a twelve-sided solid figure. |
| GATECRASHED | • gatecrashed v. Simple past tense and past participle of gatecrash. • gate-crashed v. Simple past tense and past participle of gate-crash. • gate␣crashed v. Simple past tense and past participle of gate crash. |
| HEADACHIEST | • headachiest adj. Superlative form of headachy: most headachy. • HEADACHY adj. having a headache, also HEADACHEY. |
| HEADREACHED | • HEADREACH v. to make distance to windward in tacking. |
| HEADREACHES | • HEADREACH v. to make distance to windward in tacking. |
| HEADSCARVES | • headscarves n. Plural of headscarf. • head-scarves n. Plural of head-scarf. • head␣scarves n. Plural of head scarf. |
| HEADTEACHER | • headteacher n. The most senior teacher in a school who is responsible for its management and administration. • head␣teacher n. Alternative form of headteacher. • HEADTEACHER n. a teacher in charge of a school. |
| HEXADECANES | • hexadecanes n. Plural of hexadecane. • HEXADECANE n. the systematic name for cetane, a colourless liquid hydrocarbon. |
| HEXADECIMAL | • hexadecimal n. (Arithmetic, computing, uncountable) A number system with base sixteen, using the digits 0, 1, 2, 3… • hexadecimal n. (Countable, computing) A number expressed in the hexadecimal system. • hexadecimal adj. Of a number, expressed in hexadecimal. |
| PHAGEDAENIC | • phagedaenic adj. Alternative form of phagedenic. • PHAGEDAENIC adj. relating to phagedaena, hospital gangrene, also PHAGEDENIC. |
| PREHEADACHE | • preheadache adj. Before the onset of a headache. • PREHEADACHE adj. occurring before a headache. |
| SPHACELATED | • sphacelated v. Simple past tense and past participle of sphacelate. • SPHACELATE v. to cause or affect with gangrene or mortification. |