(statistics) the number of data points satisfying something

(physics) A repeating event that occurs once every Planck time, with a frequency of F_p=√≈1.855⨯10⁴³ mbox Hz. this frequency is said to be the upper bound for the frequency of an electromagnetic ray or cosmic rays.

Synonym of fundamental (“the lowest frequency of a periodic waveform”)

(statistics) A list, table, or graph that displays the frequency of various outcomes in a sample.

(electrical engineering) Able to operate on two different electrical frequencies. / (radio communications) Able to receive and operate on two different radio frequencies.

Having a relatively low frequency

(linguistics) A list of the most commonly used words, or phrases, in a particular language, corpus, etc.

(radio, telecommunications) The storage and retrieval of data using tags attached to individual packages, animals or people; the tags contain an integrated circuit to store and process the data, and an antenna to transmit and receive such data.

(broadcasting, radio, television) The frequency area from 30 MHz through 300 MHz, commonly used for radio and TV broadcasting.

Alternative spelling of frequency-shift keying