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Meaning of ISOMERISM

Pronunciation:  I'sâmu`rizum

 
WordNet Dictionary
 
 Definition: 
[n]  the state of being an isomer; the complex of chemical and physical phenomena characteristic of isomers
 

ISOMERISM is a 9 letter word that starts with I.

 

 See Also: state

 

 

Webster's 1913 Dictionary
 
 Definition: 
\I*som"er*ism\, n. (Chem.)
The state, quality, or relation, of two or more isomeric
substances.

{Physical isomerism} (Chem.), the condition or relation of
   certain (metameric) substances, which, while chemically
   identical (in that they have the same composition, the
   same molecular weights, and the same ultimate
   constitution), are yet physically different, as in their
   action on polarized light, as dextro- and l[ae]vo-tartaric
   acids. In such compounds there is usually at least one
   unsymmetrical carbon atom. See {Unsymmetrical}.



 
Biology Dictionary
 
 Definition: A condition in which several chemical compounds have the same molecular formula (have the same number and type of atoms) but, because those atoms are arranged differently in each, they all have different chemical properties.
 

 

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