moment of inertia

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noun Physics.

the sum of the products of the mass and the square of the perpendicular distance to the axis of rotation of each particle in a body rotating about an axis.

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Origin of moment of inertia

First recorded in 1820–30

Words nearby moment of inertia

moment, momentarily, momentary, momently, momento, moment of inertia, moment of sail, moment of truth, momentous, momentum, mom-in-law

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use moment of inertia in a sentence

In that country at that moment, the Catholics have practically disappeared.
Houellebecq’s Incendiary Novel Imagines France With a Muslim President|Pierre Assouline|January 9, 2015|DAILY BEAST
But Krauss said that from the moment he and the other scientists arrived on the island, they never saw anything untoward.
Sleazy Billionaire’s Double Life Featured Beach Parties With Stephen Hawking|M.L. Nestel|January 8, 2015|DAILY BEAST
The massacre of cartoonists at the French magazine Charlie Hebdo is a crystallizing moment.
Why We Stand With Charlie Hebdo—And You Should Too|John Avlon|January 8, 2015|DAILY BEAST
At the moment, the only chance I get is when I go do Late Night with Seth Meyers.
Coffee Talk with Fred Armisen: On ‘Portlandia,’ Meeting Obama, and Taylor Swift’s Greatness|Marlow Stern|January 7, 2015|DAILY BEAST

And then I met him before I started doing the impression of him when he was a guest on SNL for a moment.
Coffee Talk with Fred Armisen: On ‘Portlandia,’ Meeting Obama, and Taylor Swift’s Greatness|Marlow Stern|January 7, 2015|DAILY BEAST
He was too drowsy to hold the thought more than a moment in his mind, much less to reflect upon it.
The Wave|Algernon Blackwood
They are very urgent questions; our sons and daughters will have to begin to deal with them from the moment they leave college.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
Her eyes, for a moment, fixed themselves with a horrid conviction of a wide and nameless treachery.
The Pastor's Fire-side Vol. 3 of 4|Jane Porter
The thought seemed to produce the dreaded object, for next moment a large hummock appeared right ahead.
The Giant of the North|R.M. Ballantyne
At this moment an extraordinary commotion began among the watches.
Davy and The Goblin|Charles E. Carryl

British Dictionary definitions for moment of inertia

moment of inertia

noun

the tendency of a body to resist angular acceleration, expressed as the sum of the products of the mass of each particle in the body and the square of its perpendicular distance from the axis of rotationSymbol: I

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for moment of inertia

moment of inertia

[ mō′mənt ]

A measure of a body's resistance to angular acceleration, equal to the product of the mass of the body and the square of its distance from the axis of rotation. See also angular momentum torque.