heptahydrate

H4E1P3T1A1H4Y4D2R1A1T1E1

noun

A hydrate whose solid contains seven molecules of water of crystallization per molecule, or per unit cell

OriginEnglish hydrate ← French hydrate ← Ancient Greek ἑπτᾰ́ (heptắ) →
Scrabble 24
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Meanings

nounheptahydrate (plural heptahydrates)

plural heptahydrates

  1. chemistryA hydrate whose solid contains seven molecules of water of crystallization per molecule, or per unit cell

Origin

  1. Proto-Afroasiatic*sṗɣ?
  2. Proto-Semitic*šabʕ-bor.?
  3. Proto-Indo-European*septḿ̥
  4. Proto-Hellenic*heptə́
  5. Ancient Greekἑπτᾰ́ (heptắ)
  6. Englishhepta-
  7. Frenchhydrate
  8. Englishhydrate
  9. Englishheptahydrate

From hepta- + hydrate.

Full word history & related roots →
Cite this entry
APA

heptahydrate. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/heptahydrate

MLA

“heptahydrate.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heptahydrate. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “heptahydrate,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/heptahydrate.

Source: heptahydrate on Wiktionary, CC BY-SA 4.0.