[ 'ɒsɪleɪt ]
■ verb
1》 move or swing back and forth in a regular rhythm.
↘fluctuate between two states, limits, opinions, etc.
2》 Physics move or vary with periodic regularity.
↘cause an electric current or voltage to behave thus.
Derivatives
oscillation noun
oscillator noun
oscillatory ɒ'sɪlət(ə)ri , 'ɒsɪləˌt(ə)ri adjective
Origin
C18 (earlier (C17) as oscillation ): from L. oscillat- , oscillare 'to swing'.