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View synonyms for aperture

aperture

[ ap-er-cher ]

noun

  1. an opening, as a hole, slit, crack, gap, etc.
  2. Also called aperture stop. Optics. an opening, usually circular, that limits the quantity of light that can enter an optical instrument.


aperture

/ ˈæpətʃə /

noun

  1. a hole, gap, crack, slit, or other opening
  2. physics
    1. a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it
    2. the diameter of such an opening See also relative aperture


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Other Words From

  • ap·er·tur·al [ap, -er-ch, oo, r-, uh, l], adjective
  • ap·er·tured adjective

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Word History and Origins

Origin of aperture1

1400–50; late Middle English < Latin apertūra an opening, equivalent to apert ( us ) opened (past participle of aperīre; aper ( i )- ( aperient ) + -tus past participle suffix) + -ūra -ure

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Word History and Origins

Origin of aperture1

C15: from Late Latin apertūra opening, from Latin aperīre to open

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Example Sentences

That fast aperture combined with a 9-blade aperture should create some extremely smooth blur effects in out-of-focus areas.

Another is as an opening or aperture in an object, like a tunnel through a mountain or the punches in three-ring binder paper.

It has become undeniable that leaders must open the aperture when it comes to stakeholders, and irrefutable that they must strive for positive impact with customers, employees, partners, and the community writ large.

From Fortune

The small aperture is a downside in some situations, but if you’re out in the field shooting sports or nature at midday, you’ll probably never miss the extra speed.

It essentially boils down to your aperture, the focal length of your lens, and your distance from the subject.

Its 8-megapixel camera, inclusive of true-tone and dual-LED f/2.2 aperture flashes, features optical image stabilization.

“Administration officials favorite phrase these days is that, ‘you have to widen the aperture,’” says Bockenfeld.

If the cover of Black Aperture made a more daring use of black it would have earned my respect.

His book of essays, Photography After Frank , was recently published by Aperture.

His book of essays, Photography After Frank, was recently published by Aperture.

In the aperture of the window, amid piles of paper, stood a rickety old table, covered with dust.

Hilda suggested that the ticket-clerk should be interrogated, but the aperture of communication with him was shut.

The light which discovered its dismal bounds to his solitary eyes, came from a small grated aperture in the vaulted roof.

Indeed it could hardly have seemed possible to him, that the Duke could have withdrawn himself through that aperture.

A hearty roar of laughter burst from the doorway as the Factor's burly figure blocked the aperture.

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apertometeraperture card