BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: the number of occurrences within a given time period (usually 1 second)
"the frequency of modulation was 40 cycles per second";
Similiar / Same: frequency, oftenness
Within this category: audio, count per minute, infrared, radio frequency, sampling frequency, wave number
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