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impetus  \M-puh-tus\  verb

:         a: a driving force : impulse

b: incentive, stimulus

c: stimulation or encouragement resulting in increased activity

: the property possessed by a moving body in virtue of its mass and its motion — used of bodies moving suddenly or violently to indicate the origin and intensity of the motion
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boffin  \BAH-fin\  noun

: a scientific expert; especially : one involved in technological research

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