振荡

vibration / oscillation

to shake / to flap / to vibrate / to resonate / to rise up with spirit / to rouse oneself

variant of 蕩|荡[dang4]

variant of 燙|烫[tang4] / variant of 趟[tang4]

to wash / to squander / to sweep away / to move / to shake / dissolute / pond

oscillator

electromagnetic oscillation