| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| is- | See Iso-., A prefix or combining form, indicating identity, or equality; the same numerical value; as in isopod, isomorphous, isochromatic., Applied to certain compounds having the same composition but different properties; as in isocyanic., 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. | |
| ism | noun | A doctrine or theory; especially, a wild or visionary theory. |