# ricinoleic acid

> English word · Noun · IPA /ˌɹʌɪ.sɪ.nəʊˌliː.ɪk ˈas.ɪd/

## Definitions
1. A crystalline unsaturated hydroxy fatty acid C₁₈H₃₄O₃ that yields esters important as plasticizers and whose glyceride (ricinolein) is the main component of castor oil.

## Etymology
From translingual Ricin(us) + oleic acid.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ricinoleic-acid