IPA: /ˈɒs.ɪ.leɪt/
KK: /ɑˈsɪlˌeɪt/
To move or swing back and forth in a regular rhythm or to vary between different states or opinions.
The pendulum began to oscillate steadily after being released.
Past: oscillated
Past Participle: oscillated
Oscillate → It is formed from "oscillare" (meaning to swing or sway) which is derived from the Latin root "oscillum" (meaning a small mouth or swing). The word describes the action of swinging back and forth like a pendulum.
Imagine something that 'swings' back and forth — 'oscillate' means to move in that swinging motion.