n. (Chem.) An isomer. [ R. ] [ 1913 Webster ]
a. [ Iso- + Gr.
☞ Formerly the term
“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. [ Iso- + Gr.
☞ Formerly the term
“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.: