| HYDATHODE | • hydathode n. (Botany) A tissue, in the leaves of many plants, that contains microscopic pores through which water is excreted. • HYDATHODE n. an epidermal water-excreting organ. |
| HOYDENHOOD | • hoydenhood n. (Archaic, rare) The time or state of being a hoyden. • HOYDENHOOD n. the state of being a hoyden. |
| HYDATHODES | • hydathodes n. Plural of hydathode. • HYDATHODE n. an epidermal water-excreting organ. |
| HOTHEADEDLY | • hotheadedly adv. In a hotheaded manner. • HOTHEADED adv. rash, impetuous. |
| HOYDENHOODS | • HOYDENHOOD n. the state of being a hoyden. |
| HARDHEADEDLY | • hardheadedly adv. In a hardheaded manner. • HARDHEADED adv. stubborn, willful. |
| HEMIHYDRATED | • hemihydrated adj. (Chemistry) In the form of a hemihydrate. • HEMIHYDRATED adj. in the form of a hemihydrate. |
| HEXAHYDRATED | • hexahydrated adj. Converted to a hexahydrate. • HEXAHYDRATED adj. like a hexahydrate, a chemical compound with six molecules of water. |
| HARDHEARTEDLY | • hardheartedly adv. In a hardhearted manner. • hard-heartedly adv. Alternative form of hardheartedly. • HARDHEARTED adv. lacking compassion. |
| HYDROCHLORIDE | • hydrochloride n. (Chemistry) A compound of hydrochloric acid with an organic base such as an amine. • HYDROCHLORIDE n. a chemical complex composed of an organic base in association with hydrogen chloride. |
| HYDROSULPHIDE | • hydrosulphide n. (Britain) Alternative spelling of hydrosulfide. • HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide. |
| HOBBLEDEHOYDOM | • hobbledehoydom n. Hobbledehoyhood. • HOBBLEDEHOYDOM n. the state of being a hobbledehoy, an awkward young fellow, also HOBBLEDEHOYHOOD, HOBBLEDEHOYISM. |
| HYDROCEPHALOID | • hydrocephaloid adj. (Medicine) Resembling hydrocephalus. • HYDROCEPHALOID adj. suffering from hydrocephalus, an accumulation of serous fluid within the cranial cavity. |
| HYDROCHLORIDES | • hydrochlorides n. Plural of hydrochloride. • HYDROCHLORIDE n. a chemical complex composed of an organic base in association with hydrogen chloride. |
| HYDROSULPHIDES | • hydrosulphides n. Plural of hydrosulphide. • HYDROSULPHIDE n. a compound formed by action of hydrogen sulphide on a hydroxide. |
| DIPHENHYDRAMINE | • diphenhydramine n. (Pharmacology) An antihistamine and anticholinergic drug that blocks the effect of histamine at H1 receptor… • DIPHENHYDRAMINE n. a type of antihistamine. |
| HOBBLEDEHOYDOMS | • HOBBLEDEHOYDOM n. the state of being a hobbledehoy, an awkward young fellow, also HOBBLEDEHOYHOOD, HOBBLEDEHOYISM. |
| HOBBLEDEHOYHOOD | • hobbledehoyhood n. The period or time of being a hobbledehoy; awkward adolescence. • HOBBLEDEHOYHOOD n. the state of being a hobbledehoy, an awkward young fellow, also HOBBLEDEHOYDOM, HOBBLEDEHOYISM. |