diisocyanate

D2I1I1S1O1C3Y4A1N1A1T1E1

noun

Any compound containing two isocyanate anions or functional groups, but especially such an organic compound used in the preparation of polyurethane

OriginEnglish isocyanate ← Latin di- ← Ancient Greek δῐ- (dĭ-) →
UncommonScrabble 18
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Meanings

noundiisocyanate (plural diisocyanates)

plural diisocyanates

  1. chemistryAny compound containing two isocyanate anions or functional groups, but especially such an organic compound used in the preparation of polyurethane

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Englishisocyanate
  8. Englishdiisocyanate

From di- + isocyanate.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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