Usually means: Formation of rings in molecules.
Definitions Related words Phrases Mentions History
We found 16 dictionaries that define the word annulation:

General (15 matching dictionaries)
  1. annulation: Merriam-Webster
  2. annulation: Oxford Learner's Dictionaries
  3. annulation: American Heritage Dictionary of the English Language
  4. annulation: Collins English Dictionary
  5. annulation: Wordnik
  6. annulation: Wiktionary
  7. annulation: Webster's New World College Dictionary, 4th Ed.
  8. Annulation, annulation: Dictionary.com
  9. Annulation: Wikipedia, the Free Encyclopedia
  10. Annulation: Online Plain Text English Dictionary
  11. annulation: Webster's Revised Unabridged, 1913 Edition
  12. Annulation, annulation (f): AllWords.com Multi-Lingual Dictionary
  13. annulation: FreeDictionary.org
  14. annulation: TheFreeDictionary.com
  15. annulation: Merriam-Webster

Science (1 matching dictionary)
  1. annulation: PHYSICAL ORGANIC CHEMISTRY

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Definitions from Wiktionary (annulation)

▸ noun:  The formation of a ring
▸ noun:  (organic chemistry) Any reaction that forms a ring of atoms
▸ noun:  Any structure in the form of a ring

Similar:
annullation, annulling, disannulment, annulment, undoing, cancellation, cancelment, cancelation, uncancellation, precancellation, more...

Opposite:
creation, formation, construction, building, establishment

Types:
aromatic, conjugated, unsaturated, saturated, more...

Phrases:
Robinson annulation, more...

Adjectives:
secondary, external, distinct, superficial, first, cuticular, black, fine, cemental, double, last

▸ Words similar to annulation

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▸ Popular adjectives describing annulation

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▸ Rhymes of annulation

▸ Invented words related to annulation

Similar:
annullation, annulling, disannulment, annulment, undoing, cancellation, cancelment, cancelation, uncancellation, precancellation, more...

Opposite:
creation, formation, construction, building, establishment

Types:
aromatic, conjugated, unsaturated, saturated, more...

Phrases:
Robinson annulation, more...

Adjectives:
secondary, external, distinct, superficial, first, cuticular, black, fine, cemental, double, last



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