frequencies
word · lemma: frequency
Definition
The plural of 'frequency': how often something happens, or the number of times a wave, sound, or signal repeats over a period.
Usage & Nuances
Mostly appears in scientific, technical, or statistical contexts (e.g., 'radio frequencies', 'sound frequencies', 'different frequencies of occurrence'). It's rare in casual conversation. Do not confuse with 'frequency' (singular) when talking about one specific rate.
Example Sentences
There are many different frequencies on the radio.
basic
We measure sound by its frequencies.
basic
Different birds sing at different frequencies.
basic
Some people can't hear high frequencies anymore as they age.
natural
The Wi-Fi in my house uses two frequencies: 2.4 GHz and 5 GHz.
natural
Scientists study the frequencies of earthquakes to predict big ones.
natural