hexahydrate

American  

[hek-suh-hahy-dreyt] / ˌhɛk səˈhaɪ dreɪt /

noun

1. a hydrate that contains six molecules of water, as magnesium chloride, MgCl 2 ⋅6H 2 O.

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hexahydrate British  

/ ˌhɛksəˈhaɪdreɪt /

noun

1. a hydrate, such as magnesium chloride, MgCl 2 .6H 2 O, with six molecules of water per molecule of substance

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Other Word Forms

• hexahydrated adjective

Etymology

Origin of hexahydrate

First recorded in 1905–10; hexa- + hydrate

Example Sentences

Above 39� C., however, the hexahydrate, with six molecules, is less soluble, and a rapid conversion of the hepta- into the hexahydrate occurs if the former is heated above the transition point.

From Project Gutenberg

The solubility of the hexahydrate is greater than that of the heptahydrate below 39�, but increases more slowly with rise of temperature.

From Project Gutenberg

At about 80� C. the hexahydrate gives place to the monohydrate, which dissolves in water with evolution of heat, and diminishes in solubility with rise of temperature.

From Project Gutenberg

One of the starting materials, piperazine hexahydrate, some of which can make it into the final product, is extremely toxic to the liver.

From Nature

A temperature of -55�C. is obtained by mixing 10 parts of the hexahydrate with 7 parts of snow.

From Project Gutenberg