unit of electrical resistance, 1867, in recognition of German physicist Georg S. Ohm (1789-1854), who determined the law of the flow of electricity. Originally proposed as ohma (1861) as a unit of voltage. Related: ohmage; ohmic; ohmeter.
ogre
ogress
Ogygian
oh
Ohio
ohm
oho
-oholic
oi
-oid
-oidal
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