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Noun

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octadecanoid (plural octadecanoids)

  1. (organic chemistry) Relating to octadecanoic acid and its derivatives, but especially to polyunsaturated forms that are involved in the biosynthesis of jasmonic acid
    • 2015 July 8, “Transcriptional Responses Associated with Virulence and Defence in the Interaction between Heterobasidion annosum s . s . and Norway Spruce”, in PLOS ONE[1], →DOI:
      Many OPRs are part of the octadecanoid pathway that converts linolenic acid to jasmonic acid (JA), but 12-oxo-phytodienoic acid can also act as a mediator in the defence against necrotrophic pathogens.