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isomer

 [i´so-mer]
any compound exhibiting, or capable of exhibiting, isomerism. adj., adj isomer´ic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

i·so·mer

(ī'sō-mĕr),
1. One of two or more substances displaying isomerism, for example, l-glucose and d-glucose or citrate and isocitrate. Compare: stereoisomer.
2. One of two or more nuclides having the same atomic and mass numbers but differing in energy states for a finite period of time, for example, 99mTc and 99Tc.
[iso- + G. meros, part]
Farlex Partner Medical Dictionary © Farlex 2012

i·so·mer

(ī'sō-mĕr)
1. One of two or more substances displaying isomerism.
Compare: stereoisomer
2. One of two or more nuclides having the same atomic and mass numbers but differing in energy states for a finite period of time.
[iso- + G. meros, part]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

isomer

A chemical compound having the same number of each type of atom (same percentage composition and molecular weight) as another compound, but having different chemical or physical properties.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

iso·mer

(ī'sō-mĕr)
1. One of two or more substances displaying isomerism.
2. One of two or more nuclides having the same atomic and mass numbers but differing in energy states for a finite period of time.
[iso- + G. meros, part]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
If either ligand B or the ternary complex does not isomerize, non-competitively binding ligand B can be differentiated by the fact that different relative rate plateaus are reached depending on the concentration of B, and this cannot be overcome by high concentrations of ligand A (Fig.
The hop [alpha]-acids isomerize to the corresponding "iso-[alpha]-acid" under a variety of reaction conditions.
Disilene 39 isomerizes to cyclopentasilene 40 quantitatively at room temperature (eq [17]).
Polyester ([POLY.sub.ID]) functional group produces from maleic anhydride, which also isomerizes and saturates to produce isomerized polyester ([POLY.sub.2D]) and saturated polyester ([POLY.sub.s]) functional groups, respectively.
Hydro-Isomerization, meanwhile, selectively isomerizes n-paraffins and introduces branching (typically 1-2 branches per chain) into both paraffins and cyclo-paraffins as shown by proton NMR [6].
This kinetically preferred bromination product isomerizes readily to thermodynamically more stable E, Z-BrMe isomers, with temperatures on the order of 130 [degrees] C promoting rearrangement as well as HBr elimination to conjugated diene (6).
On polyesterification maleate isomerizes to more reactive fumarate and the reactivity of the resin towards styrene depends on the extent of this isomerization.