octadecenoic acid

noun
oc·​ta·​dec·​e·​no·​ic acid | \ -ˌdes-ə-ˌnō-ik- How to pronounce octadecenoic acid (audio) \

Medical Definition of octadecenoic acid

: any of several unsaturated fatty acids C18H34O2 of which some (as oleic acid and vaccenic acid) occur in fats and oils

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