iso-

iso-

[′ī·sō]

(chemistry)

A prefix indicating an isomer of an element in which there is a difference in the nucleus when compared to the most prevalent form of the element.

(organic chemistry)

A prefix indicating a single branching at the end of the carbon chain.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.