Word.ws English Dictionary

octadecyl

octadecyl noun: any of very many isomeric univalent hydrocarbon radicals, C₁₈H₃₇, formally derived from an octadecane by the loss of a hydrogen atom.

Noun

octadecyl (plural octadecyls)

  1. Any of very many isomeric univalent hydrocarbon radicals, C₁₈H₃₇, formally derived from an octadecane by the loss of a hydrogen atom
    • Although catalyst IV also has good catalytic performance, it was totally soluble in the reaction system during and after the epoxidation, because it contains a big octadecyl benzyl dimethyl ammonium ion.2001 May 11, Xi Zuwei et al., “Reaction-Controlled Phase-Transfer Catalysis for Propylene Epoxidation to Propylene Oxide”, in Science, volume 292, number 5519, →DOI, pages 1139–1141
    • A 0.5-ml sample of the supernatant was put on a 6-ml activated, octadecyl solid-phase extraction cartridge (Bakerbond, J. T. Baker, Phillipsburg, NJ) and eluted with 2-ml volumes of H 2 O, 50% CH 3 CN (Low-UV HPLC grade, Burdick and Jackson) in H 2 O, and CH 3 CN. All fractions were concentrated to...1997 May 9, H. T. Alborn et al., “An Elicitor of Plant Volatiles from Beet Armyworm Oral Secretion”, in Science, volume 276, number 5314, →DOI, pages 945–949

Forms of octadecyl

pluraloctadecyls

Origin of octadecyl

From octadec- + -yl.

Words formed from octadecyl

Questions about octadecyl

What does octadecyl mean?
Octadecyl means any of very many isomeric univalent hydrocarbon radicals, C₁₈H₃₇, formally derived from an octadecane by the loss of a hydrogen atom.
What part of speech is octadecyl?
Octadecyl is a noun.
What is the plural of octadecyl?
The plural of octadecyl is octadecyls.

Words near octadecyl in the dictionary

  1. octadecenoic acid
  2. octadecenol
  3. octadecenols
  4. octadecenoyl
  5. octadecenoyls
  6. octadecyl
  7. octadecylamine
  8. octadecylamines
  9. octadecyls
  10. octadecylsilane
  11. octadecyne

Source and license

Adapted from Wiktionary: octadecyl (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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