from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a point, near or within a body, through which its weight can be assumed to act when considering forces on the body and its motion under gravity. This coincides with the centre of mass in a uniform gravitational field
- n. any pivotal or central idea or group.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass
Sorry, no etymologies found.
In 1588, a treatise on the centre of gravity in solids obtained for him the title of the Archimedes of his time, and secured him a lecture-ship in the University of Pisa.
Chico irnmediately lunged at him, while Arnie, in response, dropped his centre of gravity slightly and bent forward.
About this star, or at all events in the centre of gravity common to all the globes of the Milky Way and supposed to be near Alcyone in the Pleiades, every one of these globes was declared to be revolving, our own performing the circuit in a period of 117,000,000 of years!
At almost the same moment that Hitler moved to Vinnitsa, the Russians, too (although undoubtedly without knowledge of this), gave recognition to the fact that the centre of gravity had shifted irrevocably southward, and that the war would be decided at Stalingrad.
And already the centre of gravity had moved hundreds of miles due east, carried on the clattering treads of Manteuffel's Panzers, to the banks of the Ingul, where Budënny should have been making his stand.
The result of this was that the 56th Panzer Corps passed the vital days from 14th to 18th August, while the entire Luga front was on the point of disintegration, in marching and countermarching, and finished up in a position on the flank, 150 miles from the centre of gravity of the battle.
A thorough belief in and an unlimited admiration of himself form the centre of gravity upon which the other qualities of Kalkbrenner's character balance themselves.
By his brilliant coup de main at Yelnya the German commander had precipitated Timoshenko's counterattack and thereby drawn the infantry of Army Group Centre across the Dnieper and into the battle, but at the same time the Panzers had remained in action, and so the very factors which had kept the centre of gravity in his hands for those three extra weeks now made it inevitable that there would be a pause.
Once down, it seemed the safe and prudent thing to do to keep my centre of gravity as low as possible by staying there, and I made it to the top of the stairs by jack-knifing upwards on the seat of my pants and the soles of my shoes.