| CLEARHEADEDLY | • clearheadedly adv. In a clearheaded manner. • CLEARHEADED adv. having or showing a clear understanding.
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| 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.
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| DECAHYDRATES | • decahydrates n. Plural of decahydrate. • DECAHYDRATE n. a compound containing ten molecules of water of crystallization.
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| GLUTARALDEHYDE | • glutaraldehyde n. (Organic chemistry) The aliphatic dialdehyde pentane-1,5-dial, a toxic liquid with a pungent odor. • GLUTARALDEHYDE n. a compound that contains two aldehyde groups and is used esp. in tanning leather and in the fixation of biological tissues.
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| GLUTARALDEHYDES | • glutaraldehydes n. Plural of glutaraldehyde. • GLUTARALDEHYDE n. a compound that contains two aldehyde groups and is used esp. in tanning leather and in the fixation of biological tissues.
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| GRAYHEADED | • gray-headed adj. Having gray hair, especially from age. • GRAYHEADED adj. having gray hair, also GREYHEADED.
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| HAMADRYAD | • hamadryad n. (Greek mythology) A wood-nymph who was physically a part of her tree; she would die if her tree were felled. • hamadryad n. The king cobra.
 • hamadryad n. A baboon of species Papio hamadryas, venerated by the ancient Egyptians.
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| HAMADRYADES | • hamadryades n. Plural of hamadryad. • HAMADRYAD n. (Greek) a wood nymph associated with one particular tree; a king cobra.
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| HAMADRYADS | • hamadryads n. Plural of hamadryad. • HAMADRYAD n. (Greek) a wood nymph associated with one particular tree; a king cobra.
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| HARDHEADEDLY | • hardheadedly adv. In a hardheaded manner. • HARDHEADED adv. stubborn, willful.
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| HARDHEARTEDLY | • hardheartedly adv. In a hardhearted manner. • hard-heartedly adv. Alternative form of hardheartedly.
 • HARDHEARTED adv. lacking compassion.
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| HEBDOMADARY | • hebdomadary adj. (Obsolete) hebdomadal. • hebdomadary n. A member of a Roman Catholic chapter or convent whose week it is to officiate in the choir and perform…
 • HEBDOMADARY n. a member of a chapter or convent, who takes his or her weekly turn in performing the sacred offices of the Church.
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| HEXAHYDRATED | • hexahydrated adj. Converted to a hexahydrate. • HEXAHYDRATED adj. like a hexahydrate, a chemical compound with six molecules of water.
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| HYDRODYNAMICAL | • hydrodynamical adj. Hydrodynamic. • HYDRODYNAMICAL adj. of, relating to, or involving principles of hydrodynamics, also HYDRODYNAMIC.
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| PARALDEHYDE | • paraldehyde n. (Organic chemistry) A cyclic trimer of acetaldehyde once used as an antidepressant. • PARALDEHYDE n. a sleep-inducing drug.
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| PARALDEHYDES | • paraldehydes n. Plural of paraldehyde. • PARALDEHYDE n. a sleep-inducing drug.
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| SHANDRYDAN | • shandrydan n. (Dated, humorous) A hooded chaise; any similar horse-drawn vehicle with no definite name. • shandrydan n. (Dated, Ireland, humorous, derogatory) A vehicle; a carriage or cart.
 • SHANDRYDAN n. an Irish two-wheeled cart; jocular, any worn-out antique vehicle.
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| SHANDRYDANS | • shandrydans n. Plural of shandrydan. • SHANDRYDAN n. an Irish two-wheeled cart; jocular, any worn-out antique vehicle.
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