a device consisting of a large mass hung from a horizontal bar by two rods, used to measure the velocity of an object, as a bullet, by retaining the object upon impact, its velocity being a function of the displacement of the mass.
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What does “clement” mean?
Origin of ballistic pendulum
First recorded in 1770–80
Words nearby ballistic pendulum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020