Word Study
iso-
CIDE DICTIONARY
iso-, [Gr. 'i`sos equal.].
A prefix or combining form, indicating identity , or equality ; the same numerical value ; as in isopod, isomorphous, isochromatic. [1913 Webster]
OXFORD DICTIONARY
iso-, comb. form 1 equal (isometric).
2 Chem. isomeric, esp. of a hydrocarbon with a branched chain of carbon atoms (isobutane).
2 Chem. isomeric, esp. of a hydrocarbon with a branched chain of carbon atoms (isobutane).
Etymology
Gk isos equal
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