Usually means: Eleven carbon atoms, alkyl group.
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We found 11 dictionaries that define the word undecyl:

General (9 matching dictionaries)
  1. undecyl: Merriam-Webster
  2. undecyl: Wordnik
  3. undecyl: Wiktionary
  4. Undecyl, undecyl: Dictionary.com
  5. Undecyl: Online Plain Text English Dictionary
  6. undecyl: Webster's Revised Unabridged, 1913 Edition
  7. Undecyl: AllWords.com Multi-Lingual Dictionary
  8. undecyl: FreeDictionary.org
  9. Undecyl: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. undecyl: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

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Definitions from Wiktionary (undecyl)

▸ noun:  (organic chemistry, especially in combination) Any univalent radical derived from an undecane

Similar:
undecanoyl, undecan, hexadecyl, octadecyl, tetradecyl, hexadecenyl, undecaprenyl, decyl, cyclododecyl, pentadecyl, more...

Opposite:
decyl, nonyl, octyl, heptyl, hexyl

Types:
sodium undecylenate, zinc undecylenate, more...

▸ Words similar to undecyl

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▸ Rhymes of undecyl

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Similar:
undecanoyl, undecan, hexadecyl, octadecyl, tetradecyl, hexadecenyl, undecaprenyl, decyl, cyclododecyl, pentadecyl, more...

Opposite:
decyl, nonyl, octyl, heptyl, hexyl

Types:
sodium undecylenate, zinc undecylenate, more...



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