2
general::
noun rate at which sth happens ADJ. great | increased, increasing | relative The relative frequency of this illness in the area is of concern to all doctors. | alarming Bullets bounced off the rock with alarming frequency. VERB + FREQUENCY decrease in, increase in Crime increases in frequency in less settled neighbourhoods. | decrease, increase, reduce The drug can reduce the frequency and severity of attacks. PREP. with ~ Accidents of this sort are happening with increasing frequency. of a wave ADJ. high, low | ultrasonic | microwave, radio, television, vibration, wave | signal FREQUENCY + NOUN range | band
Oxford Collocations Dictionary