power stroke

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power stroke

a working movement of a dental scaling instrument, used for splitting or dislodging calculus from the surface of a tooth or tooth root.

power stroke,

Poxviridae
n a major deoxyribonucleic acid virus family, to which the smallpox and vaccinia viruses belong. Viruses have a double-stranded, linear molecular structure with complex symmetry.
References in periodicals archive ?
To his credit, Mrktchian battled back, winning a few games with power strokes.
Durham had set Surrey an unlikely 447 to win after some magnificent power strokes from Liam Plunkett had given the England player a 42-ball half-century.
Former Wimbledon champions Pat Cash and Goran Ivanisevic are well versed in the art of entertainment, with plenty of joking mixed with the occasional power strokes in their legends meeting.
Cam design also influences the travel path of the nocking point during draw and power strokes.
To attempt power strokes indiscriminately is effort unrewarded on clay.
This revolutionary, lightweight rotary engine has only seven moving parts, a stroke length of approximately 14 inches and twelve power strokes per revolution.