Library / English Dictionary

ISOMER

Pronunciation (US):

(GB):

 I. (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)

Credits

 Context examples: 

There are at least 7 different isomers that can be called by this name.

(Octadecadienoic Acid n-9, NCI Thesaurus)

There are at least 8 different isomers that can be called by this name.

(Octadecadienoic Acid n-6 trans, NCI Thesaurus)

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

(Cefprozil, (E)-, NCI Thesaurus)

The A isomer of Curacin compound.

(Curacin A, NCI Thesaurus)

The anhydrous form of the Z-isomer of a semi-synthetic cephalosporin and a beta-lactam antibiotic with bactericidal activity.

(Cefprozil Anhydrous, (Z)-, NCI Thesaurus)

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

(Cefprozil Anhydrous, (E)-, NCI Thesaurus)

A pyrimidinedione-based diuretic and isomer of aminometradine with less toxicity.

(Amisometradine, NCI Thesaurus)

A long-acting beta-2 adrenergic agonist and isomer of formoterol with bronchodilator activity.

(Arformoterol, NCI Thesaurus)

The saccharate salt form of the dextro-isomer of amphetamine, a synthetic substance related to natural sympathomimetic amines, with CNS stimulating properties.

(Dextroamphetamine Saccharate, NCI Thesaurus)

The hydrochloride salt form of dexmedetomidine, an imidazole derivate and active d-isomer of medetomidine with analgesic, anxiolytic and sedative activities.

(Dexmedetomidine Hydrochloride, NCI Thesaurus)