Meanings
nounoctadecanoic acid (countable and uncountable, plural octadecanoic acids)
plural octadecanoic acids
Synonyms & antonyms
nounSynonym of stearic acid.
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More synonyms by meaning
nouna waxy saturated fatty acid; occurs widely as a glyceride in animal and vegetable fats
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Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
octadecanoic acid. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/octadecanoic%20acid
MLA
“octadecanoic acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/octadecanoic%20acid. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “octadecanoic acid,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/octadecanoic%20acid.
Source: octadecanoic acid on Wiktionary, CC BY-SA 4.0.