isomer

Fetched 2026-10-26 (cache).

Synonyms: somer

Antonyms: somer

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|physical chemistry}} Any of two or more [[compound]]s with the same [[molecular formula]] but with different [[structure]].
2. {{lb|en|nuclear physics}} Any of two or more [[atomic]] [[nuclei]] with the same [[mass number]] and [[atomic number]] but with different [[radioactive]] properties.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.