inertial
Americanadjective
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relating to or characterized by inertia or inactivity.
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Physics. of or relating to the Newtonian property of matter, according to which matter remains at rest or in motion in a straight line until acted upon by an external force.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The new agreement between theory and experiment has immediate relevance for inertial confinement fusion research.
From Science Daily ● Aug. 20, 2026
Applying them to inertial confinement fusion may allow researchers to triple energy gain, while a clearer picture of diamond's behavior at high pressure could improve models of planetary interiors.
From Science Daily ● Aug. 20, 2026
For air and sea navigation, start-ups are developing alternative technologies using Earth's magnetic field or inertial navigation.
From Barron's ● Mar. 8, 2026
Engineers looked to inertial navigation systems found aboard early rockets.
From The Wall Street Journal ● Mar. 6, 2026
She walked backward for several steps, her movement inertial, tipsy, and then disappeared down the telescoping tunnel.
From "Native Speaker" by Chang-rae Lee
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
