ohmmeter

from WordNet (r) 3.0 (2006)

ohmmeter
    n 1: a meter for measuring electrical resistance in ohms

from The Collaborative International Dictionary of English v.0.48

Ohmmeter \Ohm"me`ter\, n. [Ohm + meter.] (Elec.)
   An instrument for indicating directly the electrical
   resistance of a circuit in ohms.
   [Webster 1913 Suppl.]