# castorin

> English word · Noun

## Definitions
1. A white crystalline substance supposedly obtained from castoreum. Perhaps synonymous with castoramine.

## Etymology
From castor + -in.

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