ISOMER

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does isomer mean? 

• ISOMER (noun)
  The noun ISOMER has 1 sense:

1. a compound that exists in forms having different arrangements of atoms but the same molecular weight

  Familiarity information: ISOMER used as a noun is very rare.

 Dictionary entry details 

• ISOMER (noun)

Sense 1

Meaning:

A compound that exists in forms having different arrangements of atoms but the same molecular weight

Classified under:

Nouns denoting substances

Hypernyms ("isomer" is a kind of...):

chemical compound; compound ((chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight)

Derivation:

isomeric (of or relating to or exhibiting isomerism)

 Context examples 

An achiral member of a set of diastereoisomers that is not optically active while the other isomers within the set are optically active.

(Meso Compound, NCI Thesaurus)

The meta form of the levo isomer melphalan, an alkylating nitrogen mustard with potential antineoplastic activity.

(Metamelfalan, NCI Thesaurus)

The C isomer of Curacin compound.

(Curacin C, NCI Thesaurus)

The B isomer of Curacin compound.

(Curacin B, NCI Thesaurus)

An Z-isomer of a semi-synthetic cephalosporin and a beta-lactam antibiotic with bactericidal activity.

(Cefprozil, (Z)-, NCI Thesaurus)

There are numerous isomers and stereoisomers that can be called by this name.

(Octadecadienoic Acid, NCI Thesaurus)

There are at least 2 isomers that can be called by this name.

(Octadecadienoic Acid n-3, NCI Thesaurus)

The rearrangement of this molecule, first between two stereoisomers, and then two structural isomers, results in succinyl-CoA.

(Oxidation of Odd-Numbered Chain Fatty Acid Pathway, NCI Thesaurus/BIOCARTA)

The proline linker facilitates the synthesis of a predominant (90%) positional isomer which allows for further increases in stability and a longer half-life than previous PEG conjugates.

(PEG-Proline-Interferon Alfa-2b, NCI Thesaurus)

At least 17 different isomers of this compound are recognized.

(Octadecatrienoic Acid, NCI Thesaurus)