9 letters · 14 points in Scrabble
noun the act of vibrating
noun a shaky motion
noun (physics) a regular periodic variation in value about a mean
originFrom French vibration, from Latin vibrātiō (“a shaking or brandishing”), from vibrō (“shake, vibrate”); see vibrate. Morphologically vibrate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0