Is- (?)

. See Iso-.


© Webster 1913.

I"so- (?), Is- (?). [Gr. 'i`sos equal.]

A prefix or combining form, indicating identity, or equality; the same numerical value; as in isopod, isomorphous, isochromatic

. Specif.: (a) Chem.

Applied to certain compounds having the same composition but different properties; as in isocyanic

. (b) Organic Chem.

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.


© Webster 1913.

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