01 n. The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body;…
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1.
The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse.
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2.
Influence acting unexpectedly or temporarily on the mind; sudden motive or influence; impulse.