What does the word vibration mean?

Usage examples for vibration

  1. Barbara laughed, but there was a little vibration in her voice her sister had not often noticed there. – A Damaged Reputation by Harold Bindloss
  2. He felt the vibration as that vast bulk thundered past, and wormed himself with a mighty effort still further in, not without fears that those dreadful horns might still contrive to dig their way to him. – Harley Greenoak's Charge by Bertram Mitford
  3. Riding in this one was like travelling in a dream- it slid along without a sound, or the slightest trace of vibration; it shot forward, it darted to right or to left, it slowed up, it stopped, as if of its own will- the driver seemed to do nothing. – The Metropolis by Upton Sinclair