English Explanatory Dictionary

annulation

English dictionary entry

Meanings

noun
  1. The formation of a ring
  2. Any reaction that forms a ring of atoms
  3. Any structure in the form of a ring

Pronunciation

/ˌænjʊˈleɪʃən/ /ˌænjəˈleɪʃən/ LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-annulation.wav

Word forms

annulation annulations

Etymology

Etymology tree Proto-Indo-European *h₁eh₂nosder. Proto-Italic *ānos Latin ānus Proto-Indo-European *-lós Proto-Indo-European *-elós Proto-Italic *-elos Latin -ulus Latin ānulus Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātus Latin ānulātus Latin annulātus Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English annulation From Latin annulātus + -ation. Compare French annulation. Piecewise doublet of annullation.

Derived words

benzannulation benzoannulation cyclobutannulation cycloheptannulation cyclohexannulation cyclooctannulation cyclopentannulation cyclopropannulation photoannulation transannulation
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