Search Result for "scaler": 
Wordnet 3.0

NOUN (1)

1. an electronic pulse counter used to count pulses that occur too rapidly to be recorded individually; 



The Collaborative International Dictionary of English v.0.48:

Scaler \Scal"er\, n.
   One who, or that which, scales; specifically, a dentist's
   instrument for removing tartar from the teeth.
   [1913 Webster]


WordNet (r) 3.0 (2006):

scaler
    n 1: an electronic pulse counter used to count pulses that occur
         too rapidly to be recorded individually