annulus
0 antonyms and opposites of annulus, grouped by meaning.
Noun — A ring- or donut-shaped area, object, or structure.
We haven't recorded synonyms for annulus yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
Learned borrowing from Medieval Latin ānnulus, a misspelling of Latin ānulus (“ring, especially one worn on a finger”), from ānus (“ring”) (possibly from Proto-Indo-European *h₁eh₂-n-o- (“ring”), from an uncertain root) + -ulus (diminutive suffix). The plural form annuli is a learned borrowing from Medieval Latin ānnul...
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