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See more synonyms for heptahydrate on Thesaurus.com
  1. a hydrate that contains seven molecules of water, as magnesium sulfate, MgSO4⋅7H2O.
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Origin of heptahydrate

First recorded in 1870–75; hepta- + hydrate
Related formshep·ta·hy·drat·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for heptahydrate

Historical Examples

  • Following this there will be deposition of the heptahydrate (point 3), with subsequent disappearance of the liquid phase.

    The Phase Rule and Its Applications

    Alexander Findlay