isomer

WOTD – 3 May 2008    

See also Isomer

English

Three structural isomers.

Wikipedia

Etymology

iso- + -mer

Pronunciation

• (RP) IPA: /ˈaɪ.sə.mə/, X-SAMPA: /"aI.s@.m@/
• (US) IPA: /ˈaɪ.sə.mɚ/

• Audio (US)

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Noun

isomer (plural isomers)

1. (chemistry) Any of two or more compounds with the same molecular formula but with different structure.
2. (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

Related terms

isomerism structural isomer positional isomer geometric isomer

nuclear isomer optical isomer stereoisomer

Translations

chemistry: compounds

• Czech: izomer (cs) m
• Esperanto: izomero (eo)
• Finnish: isomeeri (fi)
• French: isomère (fr) m
• German: Isomer (de) n
• Ido: izomero
• Irish: isiméir (ga) f

• Italian: isomero (it) m
• Japanese: 異性体 (ja) (いせいたい, iseitai)
• Polish: izomer (pl) m
• Portuguese: isômero (pt) m
• Russian: изомер (ru) (izomér) m 
• Spanish: isómero (es)
• Turkish: izomer (tr)

physics: atomic nuclei

• German: Kernisomer (de) n
• Irish: isiméir (ga) f
• Italian: isomero (it)

• Japanese: 異性核 (ja) (いせいかく, iseikaku)
• Polish: izomer (pl) m
• Russian: изомер (ru) (izomér) m 

See also

• isotope

Anagrams

• moirés
• rimose