English Dictionary

Pioneers in dictionary publishing since 1819

hydrate (ˈhaɪdreɪt Pronunciation for hydrate

Definitions

noun

  1. a chemical compound containing water that is chemically combined with a substance and can usually be expelled without changing the constitution of the substance
  2. a chemical compound that can dissociate reversibly into water and another compound. For example sulphuric acid (H2SO4) dissociates into sulphur trioxide (SO3) and water (H2O)
  3. (not in technical usage) a chemical compound, such as a carbohydrate, that contains hydrogen and oxygen atoms in the ratio two to one

verb

  1. to undergo or cause to undergo treatment or impregnation with water

Derived Forms

hyˈdration noun
ˈhydrator noun

Word Origin

C19: from hydro- + -ate1

Synonyms

View thesaurus entry
= moisten, wet, water, soak, dampen, moisturize, bedew

Example Sentences Including 'hydrate'

Someone had slipped a massive overdose of chloral hydrate into the bottle.
Brierley, David Skorpion's Death

Comments

Log in to comment on this word.