1. A combining form or prefix meaning relating to identity, or equality; the same numerical value; as in isopod, isomorphous, isochromatic.

2. <chemistry> Applied to compounds of certain isomeric series in whose structure one carbon atom, at least, is connected with three other carbon atoms; contrasted with neo- and normal; as in isoparaffine; isopentane.

See: iso-.

Origin: Gr. 'isos equal.

(29 Oct 1998)

Irving Stein, Irving White Potter, IS, is < Prev | Next > IS10 transposase, IS-11172, IS-13818

Bookmark with: icon icon icon icon iconword visualiser Go and visit our forums Community Forums