from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See pendulum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hypothetical pendulum consisting of a weight suspended by a weightless string.
from the GNU version of the Collaborative International Dictionary of English
- n. an imaginary pendulum having no dimensions except length, and no weight except at the center of oscillation; in other words, a material point suspended by an ideal line.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a hypothetical pendulum suspended by a weightless frictionless thread of constant length
Sorry, no etymologies found.