tetrahydro

T1E1T1R1A1H4Y4D2R1O1

noun

Four hydrogen atom substituents in a molecule

OriginEnglish hydro ← Ancient Greek τετρᾰ- (tetră-) ← Proto-Hellenic *kʷétwores →
UncommonScrabble 17
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Meanings

nountetrahydro (uncountable)
  1. in compoundsuncountablechemistryFour hydrogen atom substituents in a molecule

Origin

  1. Proto-Indo-European*kʷetwóres
  2. Proto-Hellenic*kʷétwores
  3. Ancient Greekτέσσᾰρες (téssăres)
  4. Ancient Greekτετρᾰ- (tetră-)
  5. Englishtetra-
  6. Englishhydro
  7. Englishtetrahydro

From tetra- + hydro.

Full word history & related roots →

Rhymes & wordplay

Anagrams

hydrotreat
Cite this entry
APA

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

MLA

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

Chicago

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

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