diacaustic

D2I1A1C3A1U1S1T1I1C3

adjective

Relating to the caustic curves formed by the refraction of light.

OriginEnglish caustic ← Ancient Greek δῐᾰ- (dĭă-) ← Proto-Indo-European *dwís →
Scrabble 15
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Meanings

adjectivediacaustic (not comparable)
  1. not comparableRelating to the caustic curves formed by the refraction of light.
noundiacaustic (plural diacaustics)

plural diacaustics

  1. A refracting lens, which can be used to cauterise.
  2. The curve or surface formed by the intersection of refracted light rays.

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*trísinflu.
  3. Proto-Indo-European*dwís
  4. Ancient Greekδιά (diá)
  5. Ancient Greekδῐᾰ- (dĭă-)
  6. Englishdia-
  7. Englishcaustic
  8. Englishdiacaustic

From dia- + caustic.

Full word history & related roots →

Rhymes & wordplay

Rhymes with diacaustic

causticencausticacrosticapolausticcatacaustic
All rhymes →
Cite this entry
APA

diacaustic. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/diacaustic

MLA

“diacaustic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diacaustic. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “diacaustic,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/diacaustic.

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