oscillations
/ˌɒsɪˈleɪʃənz/ · os·ci·la·tions
noun
- The act of oscillating or the state of being oscillated. The scientist recorded the oscillations of the pendulum over several minutes.
- A regular periodic fluctuation in value about some mean. Financial analysts study market oscillations to predict short‑term trends.
- A single cycle of such a fluctuation. Each oscillation of the heart’s electrical signal can be seen on an ECG trace.
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Did you know? The term ‘oscillation’ entered English scientific vocabulary in the 17th century, initially describing the swinging motion of pendulums before being applied to electrical and quantum phenomena.