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Meaning of downstroke

down•stroke

Pronunciation: (doun'strōk"), [key]
— n.
  1. a downward stroke, as of a machine part, piston, or the like.
  2. a downward stroke in writing, often heavier and darker than an upward stroke.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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