Chemistry some of several substances being consists of similar elements in identical proportions but differ in properties as a result of differences in the arrangement of atoms.
Physics any one of a couple of nuclei with the exact same size quantity and atomic number having different radioactive properties and can occur in every of a number of energy says for a measurable period of time.
Any of two or more substances with similar molecular formula but with various structure.
Any of a couple of atomic nuclei with the exact same mass number and atomic number however with various radioactive properties.
A compound that will be isomeric with another body or substance; a compound getting the same chemical composition as another mixture; a member of an isomeric show.
In chem., a compound that exhibits the properties of isomerism with reference to various other element. In addition isomeride.
a compound that is present in kinds having various arrangements of atoms but the same molecular fat