English · Science & Technology
frequency
/ˈfriː.kwən.si/
[/ˈfriː.kwən.si/]
rate of repetition
Advancednoun
Definition
How often something happens; in physics, the number of waves or cycles per second.
Example
A higher frequency sound is heard as a higher pitch by the human ear.
A higher frequency sound is heard as a higher pitch by the human ear.
Etymology
From Latin 'frequentia' (a crowd, frequency), from 'frequens' (crowded, repeated).
How & Where It’s Used
Used in physics for waves and in everyday talk about how often events occur.