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frequency

n.
US //ˈfɹikwənsi// UK //fɹˈiːkwənsi// fre·quen·cy
  1. 1 radio or sound waves (n.)
    B2 Upper Intermediate Technical Science

    the speed at which a sound wave or radio wave vibrates.

    the number of complete oscillations or cycles per second of a periodic quantity, such as an alternating current or electromagnetic wave.

    Example

    The radio station broadcasts on a high frequency that is easy to find.

    Example

    The technician adjusted the signal to a different frequency to avoid interference from the neighbouring television transmitter.

    Usage

    measured in hertz (Hz).
  2. 2 statistics (n.)
    C1 Advanced Academic Technical Math

    the total number of times a specific value or event appears in a set of data.

    the absolute or relative number of occurrences of a particular variant or data point in a statistical population.

    Example

    The chart shows the frequency of each answer in the survey.

    Example

    The researchers recorded the frequency of specific keywords to determine the most prevalent themes in the interview transcripts.

    Usage

    often presented in a 'frequency distribution' table or graph.
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  1. 3 a mood or vibe (n.)
    C2 Proficiency Informal Slang

    a particular feeling, mood, or way of thinking that people share.

    a metaphorical use referring to a specific emotional or mental state, often implying being 'in tune' with others.

    Example

    I feel like we are finally on the same frequency regarding this project.

    Example

    It took several meetings, but the creative team is finally operating on the same frequency, leading to much more productive brainstorming sessions.

    Teacher's tip

    This is a figurative extension of the radio wave sense; it is very common in creative or spiritual contexts.
Origin

From Latin frequentia, from frequens. By surface analysis, frequent + -cy.

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