Adjacent Words

Hydrate definitions

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Webster's 1828 Dictionary

HY'DRATE, n. [Gr. water.] In chimistry, a compound, indefinite proportions, of a metallic oxyd with water.
A hydrate is a substance which has formed so intimate a union with water as to solidify it, and render it a component part.
Slaked lime is a hydrate of lime.

WordNet (r) 3.0 (2005)

n
1: any compound that contains water of crystallization v
1: supply water or liquid to in order to maintain a healthy balance; "the bicyclists must be hydrated frequently"
2: become hydrated and combine with water
3: cause to be hydrated; add water or moisture to; "hydrate your skin" [ant: dehydrate, desiccate, dry up, exsiccate]

Merriam Webster's

I. noun Date: 1802 a compound formed by the union of water with some other substance II. verb (hydrated; hydrating) Date: 1846 transitive verb 1. to cause to take up or combine with water or the elements of water 2. to supply with ample fluid or moisture <hydrates and softens the skin> intransitive verb to become a hydrate • hydration noun • hydrator noun

Oxford Reference Dictionary

n. & v. --n. Chem. a compound of water combined with another compound or with an element. --v.tr. 1 a combine chemically with water. b (as hydrated adj.) chemically bonded to water. 2 cause to absorb water. Derivatives: hydratable adj. hydration n. hydrator n. Etymology: F f. Gk hudor water

Webster's 1913 Dictionary

Hydrate Hy"drate, v. t. [imp. & p. p. Hydrated; p. pr. & vb. n. Hydrating.] To form into a hydrate; to combine with water.

Webster's 1913 Dictionary

Hydrate Hy"drate, n. [Gr. "y`dwr water: cf. F. hydrate.] (Chem.) (a) A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts. (b) A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or slaked lime.

Collin's Cobuild Dictionary

(hydrates, hydrating, hydrated) 1. A hydrate is a chemical compound that contains water. ...aluminium hydrate. N-MASS: usu n/adj N 2. If a substance hydrates your skin, it makes it softer and less dry. After-sun products will cool and hydrate your skin. = moisturize VERB: V n

Soule's Dictionary of English Synonyms

n. Hydro-oxide.

Moby Thesaurus

acetify, acidify, acidulate, alkalify, alkalize, borate, carbonate, catalyze, chemical, chlorinate, electrolyze, ferment, homopolymerize, hydrogenate, hydroxylate, isomerize, nitrate, oxidize, pepsinate, peroxidize, phosphatize, polymerize, reduce, sulfate, sulfatize, sulfonate, work