Lexic.us

Definition of Isomer

1. Noun. A compound that exists in forms having different arrangements of atoms but the same molecular weight.

Definition of Isomer

1. n. A body or compound which is isomeric with another body or compound; a member of an isomeric series.

Definition of Isomer

1. Noun. (chemistry) Any of two or more compounds with the same molecular formula but with different structure. ¹

2. Noun. (physics) Any of two or more atomic nuclei with the same mass number and atomic number but with different radioactive properties. ¹

¹ Source: wiktionary.com

Definition of Isomer

1. a type of chemical compound [n -S] : ISOMERIC [adj]

Medical Definition of Isomer

1. 1. One of two or more molecules that have the same chemical formula but have a different stereochemical arrangement of their atoms. 2. Nuclides having the same number of neutrons and protons but capable of existing, for a measurable time, in different quantum states with different energies and radioactive properties. Commonly, the isomer of higher energy decays to one of lower energy by the process of isomeric transition. (13 Nov 1997)

Lexicographical Neighbors of Isomer

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