frequency

pronunciation

How to pronounce frequency in British English: UK [ˈfriːkwənsi]word uk audio image

How to pronounce frequency in American English: US [ˈfriːkwənsi] word us audio image

  • Noun:
    the number of occurrences within a given time period (usually 1 second)
    the ratio of the number of observations in a statistical category to the total number of observations
    the number of observations in a given statistical category

Word Origin

frequency (n.)
1550s, "state of being crowded" (now obsolete); 1640s, "fact of occurring often;" from Latin frequentia "an assembling in great numbers, a crowding; crowd, multitude, throng," from frequentem (see frequent). Sense in physics, "rate of recurrence," especially of a vibration, is from 1831. In radio electronics, frequency modulation (1922, abbreviated F.M.) as a system of broadcasting is distinguished from amplitude modulation (or A.M.).

Example

1. Or is frequency of climax the most important factor ?
2. Our instant messages flickered quicker and the outside phone calls increased in frequency .
3. Chinese fishing boats have entered south korean waters with greater frequency over the past year .
4. He used a version of the frequency trick .
5. Why is frequency so fundamental ?

more: >How to Use "frequency" with Example Sentences