# allotropy

> English word · Noun

## Definitions
1. A property, exhibited by some elements, of existing in multiple forms with different atomic structures.

## Etymology
Ancient Greek άλλοτροπἱα (állotrophia), from allo- + -tropy, coined by Swedish chemist Jöns Jacob Berzelius.

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