英和和英

語源

From French saccade.

発音

• IPA: /səˈkɑːd/
• 韻: -ɑːd

名詞

saccade (plural saccades)

1. (ophthalmology, technology, science of reading) A rapid movement of the eye (either voluntary or involuntary) from one focus to another. (Often described as a jerky movement, but this word denotes all such quick eye movements, which happen continually, not just exaggerated or weird ones, and not nystagmus.)

   Coordinate terms: fixation (eye pause), nystagmus (pathologic eye movement); glancing

   • 1993, Will Self, My Idea of Fun:

     He added the bill with a single saccade of his pulsing eyes.

   • 2000 November 21, Tim Radford, The Guardian:

     Then 130 milliseconds or thousandths of a second later, each made a "saccade" - an extremely fast eye movement - to roughly where the ball was likely to bounce.

   • 2019, Ian McEwan, Machines Like Me, Jonathan Cape, page 23:

     He paused, looking at me intently, his black-flecked eyes scanning my face in quick saccades.

2. The act of checking a horse quickly with a single strong pull of the reins.
3. (music) The sounding of two violin strings together by using a sudden strong pressure of the bow.
4. (rare) Any sudden jerking movement.

派生語

動詞

saccade (third-person singular simple present saccades, present participle saccading, simple past and past participle saccaded)

1. (of the eye, intransitive) To make a rapid jerking movement to focus elsewhere.

参考

• eyetracking
• scanpath

アナグラム

• Cascade, cascade