1938 S. R. Roget (ed. 3) 141/1 Frequency divider.
1952 F. E. Terman & J. M. Pettit (ed. 2) v. 196 By means of a chain of subharmonic generators (frequency dividers), one obtains frequencies of 10,000 cycles, 1000 cycles, and 100 cycles which have the same degree of precision as the standard frequency.