Thesaurus: isomeric

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Definitions

1. a. Having the same percentage composition; -- said of two or more different substances which contain the same ingredients in the same proportions by weight, often used with with. Specif.: (a) Polymeric; i. e., having the same elements united in the same proportion by weight, but with different molecular weights; as, acetylene and benzine are isomeric (polymeric) with each other in this sense. See Polymeric. (b) Metameric; i. e., having the same elements united in the same proportions by weight, and with the same molecular weight, but which a different structure or arrangement of the ultimate parts; as, ethyl alcohol and methyl ether are isomeric (metameric) with each other in this sense. See Metameric.
2. adj. of or relating to or exhibiting isomerism
3. Having the same percentage composition; -- said of two or more different substances which contain the same ingredients in the same proportions by weight, often used with with. Specif.: (a) Polymeric; i. e., having the same elements united in the same proportion by weight, but with different molecular weights; as, acetylene and benzine are isomeric (polymeric) with each other in this sense. See Polymeric. (b) Metameric; i. e., having the same elements united in the same proportions by weight, and with the same molecular weight, but which a different structure or arrangement of the ultimate parts; as, ethyl alcohol and methyl ether are isomeric (metameric) with each other in this sense. See Metameric.
4. Having the same percentage composition; -- said of two or moredifferent substances which contain the same ingredients in the sameproportions by weight, often used with with. Specif.: (a) Polymeric;i. e., having the same elements united in the same proportion byweight, but with different molecular weights; as, acetylene andbenzine are isomeric (polymeric) with each other in this sense. SeePolymeric. (b) Metameric; i. e., having the same elements united inthe same proportions by weight, and with the same molecular weight,but which a different structure or arrangement of the ultimate parts;as, ethyl alcohol and methyl ether are isomeric (metameric) with eachother in this sense. See Metameric.
5. a. of or relating to or exhibiting isomerism