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isomerism

i·som·er·ism
I i

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [ahy-som-uh-riz-uh m]
    • /aɪˈsɒm əˌrɪz əm/
    • /ˈaɪsəmərˌɪzəm/
    • US Pronunciation
    • US IPA
    • [ahy-som-uh-riz-uh m]
    • /aɪˈsɒm əˌrɪz əm/

Definitions of isomerism word

  • noun isomerism Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism. 1
  • noun isomerism Also called nuclear isomerism. Physics. the relation of two or more nuclides that have the same atomic number and mass number but different energy levels and half-lives. 1
  • noun isomerism Chemistry, Physics. the phenomenon characterized by such a relation. 1
  • noun isomerism the state or condition of being isomerous. 1
  • noun isomerism (chemistry) the phenomenon of the existence of isomers - the existence of different substances with the same molecular formulae. 1
  • noun isomerism the existence of two or more compounds having the same molecular formula but a different arrangement of atoms within the molecule 0
See all 8 definitions of isomerism

Information block about the term

Origin of isomerism

First appearance:

before 1830
One of the 36% newest English words
First recorded in 1830-40; isomer(ic) + -ism

Historical Comparancy

Parts of speech for Isomerism

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Isomerism

isomerism popularity

A common word. It’s meaning is known to most children of preschool age. About 89% of English native speakers know the meaning and use the word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

isomerism usage trend in Literature

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Top questions with isomerism

  • which of the following alkenes can exhibit cis trans isomerism?
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Related words

  • isomer

    Chemistry. a compound displaying isomerism with one or more other compounds.

  • nuclear isomerism

    isomerism (def 2).

  • stereoisomerism

    the isomerism ascribed to different relative positions of the atoms or groups of atoms in the molecules of organic compounds.

  • structural isomerism

    Chemistry. the relation of two or more compounds, radicals, or ions that are composed of the same kinds and numbers of atoms but differ from each other in structural arrangement (structural isomerism) as CH 3 OCH 3 and CH 3 CH 2 OH, or in the arrangement of their atoms in space and therefore in one or more properties. Compare optical isomerism, stereoisomerism.

  • geometric isomer

    each of two or more chemical compounds having the same molecular formula but a different geometric arrangement; an unsaturated compound or ring compound in which rotation around a carbon bond is restricted, as in cis- and trans- configurations.

  • metamerism

    Zoology. division into metameres, the developmental process of somite formation. existence in a metameric state.
All related words to isomerism

See also

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