/ · 1894 Brewer’s · I · Inertia
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That want of power in matter to change its state either from rest to motion, or from motion to rest. Kepler calls it Vis inertiæ. (Ars in Latin is the Greek arʹetē, power or inherent force; In-ars is the absence of this power.)
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Entry taken from Dictionary of Phrase and Fable, edited by the Rev. E. Cobham Brewer, LL.D. and revised in 1895.
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