verb (used without object), verb (used with object), isomerized, isomerizing. Chemistry.
to convert into an isomer.
Also, especially British, isomerise.

1890–95; isomer + -ize

isomerization, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
isomerize or isomerise (aɪˈsɒməˌraɪz)
chem to change or cause to change from one isomer to another
isomerise or isomerise
isomeri'zation or isomerise
isomeri'sation or isomerise

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

isomerization i·som·er·i·za·tion (ī-sŏm'ər-ĭ-zā'shən)
A process in which one isomer is formed from another.

i·som'er·ize' (-ə-rīz') v.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica


the chemical process by which a compound is transformed into any of its isomeric forms, i.e., forms with the same chemical composition but with different structure or configuration and, hence, generally with different physical and chemical properties. An example is the conversion of butane, a hydrocarbon with four carbon atoms joined in a straight chain, to its branched-chain isomer, isobutane, by heating the butane to 100 C or higher in the presence of a catalyst. Butane and isobutane have widely different properties. Butane boils at -0.5 C and freezes at -138.3 C, whereas isobutane boils at -11.7 C and freezes at -159.6 C. More important from the commercial standpoint, branched-chain hydrocarbons are better motor fuels than their straight-chain isomers. The isomerization of straight-chain hydrocarbons to their corresponding branched-chain isomers is an important step (called reforming) in gasoline manufacture. There are numerous other examples of isomerization reactions of great industrial importance.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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