resonance

共鸣, 回声, 反响, 谐振, 共振

an excited state of a stable particle causing a sharp maximum in the probability of absorption of electromagnetic radiation; a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system; the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities