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pentahydrate

American  
[pen-tuh-hahy-dreyt] / ˌpɛn təˈhaɪ dreɪt /

noun

Chemistry.
  1. a hydrate that contains five molecules of water, as potassium molybdate, KMoO 4 ⋅5H 2 O.


Other Word Forms

Etymology

Origin of pentahydrate

First recorded in 1915–20; penta- + hydrate

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