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Related to isomeric: Isomers, allotropic, Isomeric transition


1. Chemistry Any of two or more substances that have the same molecular formula but differ in the way their atoms are connected to each other, in the spatial orientation of their atoms, or, in the case of large molecules such as DNA, in their molecular topology.
2. Physics Any of two or more nuclei with the same mass number and atomic number that have different radioactive properties and can exist in any of several energy states for a measurable period of time.

[Greek īsomerēs, having equal share : īso-, iso- + meros, part, share; see (s)mer- in Indo-European roots.]

i′so·mer′ic (-mĕr′ĭk) adj.
i′so·mer′i·cal·ly adv.
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Adj.1.isomeric - of or relating to or exhibiting isomerism


adj (Chem) → isomer
References in periodicals archive ?
Long-living isomeric states, Which also play a role in the r process, Will be resolved from the ground states to obtain accurate mass values.
Depending on the bonding location of the nitrogen atom, the triazoles exist in two isomeric forms stated 1,2,3-triazole and 1,2,4-triazole [1].
The comparative pharmacology of the isomeric nitrogen methyl substituted heptylamines.
46) Vitamin E exists as a family of tocopherols and tocotrienols, and I recommend mixed tocopherols, an isomeric mix of natural tocopherols including the alpha, beta, gamma and delta forms of vitamin E.
The isomeric forms of DH-TBZ have multiple chiral centers, and therefore numerous forms of which only 2 are significantly active at VMAT2.
Combination of pulmonary and systemic venous anomalies in heterotaxic or isomeric patient is not an uncommon feature but presence of full blown pulmonary and systemic venous anomalies in a single patient is extremely rare.
Experimental studies using Ignition Quality Tester (IQT) with isomeric fuels [7, 8, 9] concluded that the differences in oxidation chemistry, and not physical property differences, were the dominating factor for the change in ignition delay time at the normal IQT operating condition (ambient charge of ~ 818 K at~2.
In this particular case, for instance, astronomers used the Faint Object infraRed Camera for the SOFIA Telescope (FORCAST) to observe the concentrations of ortho- and para-hydrogen - two isomeric forms of molecular hydrogen - in the gas giant's thick atmosphere.
By increasing the temperature, the copolymer chains gain enough energy to overcome the potential barrier between low-energy and high-energy rotational isomeric states and undergo a transition between these two states [11].
The miotic activity of urethanes derived from the isomeric hydroxybenzyldimethylamines.
Although it has been postulated that CLA can modulate the expression of TNFa through the transcription factor NF-b, but it is possible that CLA may act through different mechanisms/regulatory pathways that are further dependent on the isomeric form of CLA.