cryohydrate

[krahy-oh-hahy-dreyt]

noun

1. a mixture of ice and another substance in definite proportions such that a minimum melting or freezing point is attained.

cryohydrate

/ ˌkraɪəʊˈhaɪdreɪt /

noun

1. a crystalline substance containing water and a salt in definite proportions at low temperatures: a eutectic crystallizing below the freezing point of water

Other Word Forms

• cryohydric adjective

Word History and Origins

Origin of cryohydrate¹

First recorded in 1870–75; cryo- + hydrate

Example Sentences

The alloy corresponding to the cryohydrate, possessing the lowest melting point, is called the eutectic alloy, as it is most easily cast and worked.

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The resulting solid was termed a cryohydrate by F. Guthrie, but it is really an intimate mixture of two kinds of crystals, and not a chemical compound or hydrate containing the constituents in chemically equivalent proportions.

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The lowest temperature attainable by means of a freezing mixture is the temperature of the F.P. of the corresponding cryohydrate.

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But if we throw into it a crystal of a previous crop of cryohydrate, then nothing but the cryohydrate separates.

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This temperature of solidification is the same whether we start with a dilute or a saturated solution, and the composition of the cryohydrate is found to be constant.

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