from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See harmonic motion.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. oscillating motion (as of a pendulum) in which the acceleration of the oscillator has an equal magnitude but opposite direction to the displacement of it from the equilibrium position
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. periodic motion in which the restoring force is proportional to the displacement
Sorry, no etymologies found.