frequency

/ˈfɹiːkwənsi/ nom B1

En français : fréquence

The rate of occurrence of anything; the relationship between incidence and time period. (countable, uncountable) · With growing confidence, the Viking’s raids increased in frequency.· The frequency of bus service has been improved from one every 15 to one every 12 minutes.
The property of occurring often rather than infrequently. (uncountable) · The FAQ addresses questions that come up with some frequency.· The frequency of the visits was what annoyed him.
The quotient of the number of times n a periodic phenomenon occurs over the time t in which it occurs: f=n/t. (countable) · The frequency of the musical note A above middle C is 440 oscillations per second.· The frequency of a wave is its velocity v divided by its wavelength #92;lambda: f#61;v#47;#92;lambda.
A tone, character, mood, or vibe (countable, uncountable)
number of times an event occurred in an experiment (absolute frequency) (countable, uncountable)
range of electromagnetic waves used for wireless communication in devices like radios, TVs and mobile phones (countable, uncountable)

Pluriel frequencies

Dans la bibliothèque

He quickly discovered that the Mississippi was not a static entity but rather a living, breathing organism that altered its course with dizzying frequency.

The Pilot and the Pen, p. 1 · C2

Arthur discovered that the mathematical principles governing acoustic frequencies shared a remarkable kinship with the harmonious balance required in bridge construction.

The Resonance of the Crossing, p. 1 · C2

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