请输入您要查询的英文单词:

 

单词 saccade
释义

saccade

[ sa-kahd, suh- ]
/ sæˈkɑd, sə- /

noun

the act of checking a horse quickly with a single strong pull of the reins.
Ophthalmology. the series of small, jerky movements of the eyes when changing focus from one point to another.

Origin of saccade

1720–30; <French saccade jerk, jolt, originally, movement of a horseman who abruptly pulls the reins, equivalent to Middle French saqu(er) to pull violently (N dialectal variant of Old French sachier, ultimately derivative of sacsack1, hence presumably with sense “withdraw from a sack”) + -ade-ade1

Words nearby saccade

sac, Sacajawea, sac-a-lait, sacaton, SACC, saccade, saccadic, saccate, sacchar-, saccharase, saccharate
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for saccade

saccade
/ (səˈkɑːd, -ˈkeɪd) /

noun

the movement of the eye when it makes a sudden change of fixation, as in reading
a sudden check given to a horse

Word Origin for saccade

C18: from French: a jerk on the reins of a horse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for saccade

saccade
[ să-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.

Other words from saccade

sac•cadic (-kädĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
随便看

 

英语词典包含192737条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/20 9:01:58