ISOMER

isomer

(noun) a compound that exists in forms having different arrangements of atoms but the same molecular weight

Source: WordNet® 3.1

Etymology

Noun

isomer (plural isomers)

(chemistry) Any of two or more compounds with the same molecular formula but with different structure.

(physics) Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties.

Synonyms

• (physics: atomic nuclei): nuclear isomer

Anagrams

• Mosier, moires, moirés, rimose

Source: Wiktionary

I"so*mer, n. Etym: [See Isomeric.] (Chem.)

Definition: A body or compound which is isomeric with another body or compound; a member of an isomeric series.

Source: Webster’s Unabridged Dictionary 1913 Edition