# eicosanoid

> English word · Noun · IPA /aɪˈkoʊ.səˌnɔɪd/

## Definitions
1. Any of a family of naturally-occurring substances derived from 20-carbon polyunsaturated fatty acids; they include the prostaglandins, thromboxanes, leukotrienes and epoxyeicosatrienoic acids; they function as hormones.

## Etymology
From eicosanoic + -oid (“-like”).

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