frequency
- 01 B2 Upper Intermediate
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.
Simple“The radio station broadcasts on a high frequency that is easy to find.”
In context“The technician adjusted the signal to a different frequency to avoid interference from the neighbouring television transmitter.”
Usagemeasured in hertz (Hz).
Synonyms - 02 C1 Advanced
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.
Simple“The chart shows the frequency of each answer in the survey.”
In context“The researchers recorded the frequency of specific keywords to determine the most prevalent themes in the interview transcripts.”
Usageoften presented in a 'frequency distribution' table or graph.
- 03 C2 Proficiency
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.
Simple“I feel like we are finally on the same frequency regarding this project.”
In context“It took several meetings, but the creative team is finally operating on the same frequency, leading to much more productive brainstorming sessions.”
Teacher's tipThis is a figurative extension of the radio wave sense; it is very common in creative or spiritual contexts.
Synonyms
Usage frequency range · frequency outweigh · increasing frequency
“Experts say climate change, coupled with poorly planned development, is increasing the frequency, severity and impact of such disasters.”
“They also work at a low frequency and are able to penetrate buildings and elevators and particularly hospitals - which can have thickened walls to protect people from X-rays and other radiation.”
From Latin frequentia, from frequens. By surface analysis, frequent + -cy.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.