# prostaglandin

> English word · Noun · IPA /pɹɒstəˈɡlændɪn/ · frequency rank #66,219

## Definitions
1. Any of a group of naturally occurring lipids derived from the C₂₀ acid prostanoic acid; they have a number of physiological functions and may be considered to be hormones.

## Etymology
From German Prostaglandin. Equivalent to prosta(te) + gland + -in. So called because it was originally believed to be secreted by the prostate.

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