CRO

from WordNet (r) 3.0 (2006)

CRO
    n 1: electronic equipment that provides visual images of varying
         electrical quantities [syn: {oscilloscope}, {scope},
         {cathode-ray oscilloscope}, {CRO}]

from The Collaborative International Dictionary of English v.0.48

CRO \CRO\ n. (Electronics)
   acronym for {cathode-ray oscilloscope}, an electronic device
   which provides visual images of varying electrical
   quantities. See {oscilloscope}.

   Syn: oscilloscope, scope, cathode-ray oscilloscope.
        [WordNet 1.5]