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Saccades

 - 4 dictionary results

sac⋅cade

  [sa-kahd, suh-]
–noun
1. the act of checking a horse quickly with a single strong pull of the reins.
2. Ophthalmology. the series of small, jerky movements of the eyes when changing focus from one point to another.
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Origin:
1720–30; < F saccade jerk, jolt, orig., movement of a horseman who abruptly pulls the reins, equiv. to MF saqu(er) to pull violently (N dial. var. of OF sachier, ult. deriv. of sac sack 1 , hence presumably with sense “withdraw from a sack”) + -ade -ade 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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sac·cade   (sā-käd', sə-)   
n.  A rapid intermittent eye movement, as that which occurs when the eyes fix on one point after another in the visual field.

[French, twitch, from Old French, from Old North French saqiuer, to pull, from sac, sack; see sac.]
sac·cad'ic adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: sac·cade
Pronunciation: sa-'käd
Function: noun
: a small rapid jerky movement of the eye especially as it jumps from fixation on onepoint to another (as in reading) —sac·cad·ic /-'käd-ik/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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saccade sac·cade (sā-käd', sə-)
n.
A rapid intermittent eye movement, as that which occurs when the eyes fix on one point after another in the visual field.

sac·cad'ic (-kä'dĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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