annulation

English

Etymology

• From annulus

Noun

annulation (plural annulations)

1. The formation of a ring
2. (organic chemistry) Any reaction that forms a ring of atoms
3. Any structure in the form of a ring

Derived terms

• benzannulation
• benzoannulation
• cyclobutannulation
• cycloheptannulation
• cyclohexannulation
• cyclooctannulation
• cyclopentannulation
• cyclopropannulation
• photoannulation
• transannulation

 

Translations

any reaction that forms a ring of atoms

• Portuguese: anelação f

Anagrams

• unnational

French

Etymology

Borrowed from Latin annūlātiōnem. By surface analysis, annuler +‎ -ation.

Pronunciation

• IPA^(key): /a.ny.la.sjɔ̃/

• Audio:

  (file)

• Rhymes: -ɔ̃

Noun

annulation f (plural annulations)

1. cancellation, revocation

Further reading

• “annulation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.