spiro-annulated

adjective

Describing two rings that are joined, via a single atom, to form a spiro compound.

OriginEnglish annulated ← Latin spīra ← Ancient Greek σπεῖρα (speîra) →
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Meanings

adjectivespiro-annulated (not comparable)
  1. not comparablechemistryDescribing two rings that are joined, via a single atom, to form a spiro compound.

Origin

  1. Proto-Indo-European*sper-
  2. Proto-Indo-European*sper-yeh₂-
  3. Ancient Greekσπεῖρα (speîra)
  4. Latinspīra
  5. Englishspiro-
  6. Englishannulated
  7. Englishspiro-annulated

From spiro- + annulated.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

Source: spiro-annulated on Wiktionary, CC BY-SA 4.0.