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Meaning of micromotion

mi•cro•mo•tion

Pronunciation: (mī'kru-mō"shun), [key]
— n.
  1. a motion, esp. a periodic one, of very short duration or length.
  2. (in time and motion study) the analysis of the time of a work performance in its basic subdivisions with the aid of a timing apparatus, motion-picture equipment, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.