| DEATHWATCHES | • deathwatches n. Plural of deathwatch. • DEATHWATCH n. a vigil, a watch kept beside a dying person; a kind of beetle. |
| FEATHERHEADS | • featherheads n. Plural of featherhead. • FEATHERHEAD n. an empty-headed person. |
| HEADTEACHERS | • headteachers n. Plural of headteacher. • head␣teachers n. Plural of head teacher. • HEADTEACHER n. a teacher in charge of a school. |
| HEAVYHEARTED | • heavyhearted adj. Alternative form of heavy-hearted. • heavy-hearted adj. (Idiomatic) sad, melancholic. • HEAVYHEARTED adj. despondent, saddened. |
| HECTOGRAPHED | • hectographed v. Simple past tense and past participle of hectograph. • HECTOGRAPH v. to copy by hectograph. |
| HEMICHORDATE | • hemichordate n. (Biology) Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord. • hemichordate adj. Of, pertaining to, or characteristic of these animals. • HEMICHORDATE n. a kind of marine worm. |
| HEMIHYDRATED | • hemihydrated adj. (Chemistry) In the form of a hemihydrate. • HEMIHYDRATED adj. in the form of a hemihydrate. |
| HEMIHYDRATES | • hemihydrates n. Plural of hemihydrate. • HEMIHYDRATE n. a hydrate, such as plaster of paris, containing half a mole of water to one mole of the compound forming the hydrate. |
| HEPTAHEDRONS | • heptahedrons n. Plural of heptahedron. • HEPTAHEDRON n. a solid figure having several plane faces. |
| HEXAHYDRATED | • hexahydrated adj. Converted to a hexahydrate. • HEXAHYDRATED adj. like a hexahydrate, a chemical compound with six molecules of water. |
| HEXAHYDRATES | • hexahydrates n. Plural of hexahydrate. • HEXAHYDRATE n. a chemical compound with six molecules of water. |
| HYPOTHECATED | • hypothecated v. Simple past tense and past participle of hypothecate. • HYPOTHECATE v. to pledge as security without title or possession. |
| LEATHERHEADS | • leatherheads n. Plural of leatherhead. • LEATHERHEAD n. an Australian honeyeater, aka friarbird. |
| LIGHTHEARTED | • lighthearted adj. Joyful, glad, taking pleasure in being alive; not depressed or sad. • lighthearted adj. Enjoyably lacking of seriousness, not grave. • light-hearted adj. Alternative spelling of lighthearted. |
| THUNDERHEADS | • thunderheads n. Plural of thunderhead. • THUNDERHEAD n. a thunder cloud. |
| UNHYPHENATED | • unhyphenated v. Simple past tense and past participle of unhyphenate. • unhyphenated adj. Lacking a hyphen. • unhyphenated adj. (North America) Of people, belonging to a single ethnicity or nationality: names for multi-ethnic/multi-nationality… |
| WHOLEHEARTED | • wholehearted adj. Having no reservations; showing unconditional and enthusiastic support. • whole-hearted adj. Alternative form of wholehearted. • WHOLEHEARTED adj. completely and sincerely devoted, determined, or enthusiastic. |