Definition of Aperture. Meaning of Aperture. Synonyms of Aperture

Here you will find one or more explanations in English for the word Aperture. Also in the bottom left of the page several parts of wikipedia pages related to the word Aperture and, of course, Aperture synonyms and on the right images related to the word Aperture.

Definition of Aperture

Aperture
Aperture Ap"er*ture (?; 135), n. [L. apertura, fr. aperire. See Aperient.] 1. The act of opening. [Obs.] 2. An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall. An aperture between the mountains. --Gilpin. The back aperture of the nostrils. --Owen. 3. (Opt.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture. Note: The aperture of microscopes is often expressed in degrees, called also the angular aperture, which signifies the angular breadth of the pencil of light which the instrument transmits from the object or point viewed; as, a microscope of 100[deg] aperture.

Meaning of Aperture from wikipedia

- In optics, the aperture of an optical system (including a system consisted of a single lens) is a hole or an opening that primarily limits light propagated...
- Look up aperture in Wiktionary, the free dictionary. The aperture of an optical system is the opening that limits the amount of light that can p**** through...
- relative aperture, because it is the inverse of the relative aperture, defined as the aperture diameter divided by focal length. The relative aperture indicates...
- In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes the range of angles over which the system can...
- center on a woman, C****, forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence, GLaDOS...
- The median aperture (median aperture of fourth ventricle or foramen of Magendie) is an opening at the caudal portion of the roof of the fourth ventricle...
- Synthetic-aperture radar (SAR) is a form of radar that is used to create two-dimensional images or three-dimensional reconstructions of objects, such as...
- sight inserts, and adjustable aperture mechanisms. Front aperture size is a compromise between a tight enough aperture to clearly define the aiming point...
- opening (aperture) at its center. The role of the diaphragm is to stop the p****age of light, except for the light p****ing through the aperture. Thus it...
- Aperture Foundation is a nonprofit arts institution, founded in 1952 by Ansel Adams, Minor White, Barbara Morgan, Dorothea Lange, Nancy Newhall, Beaumont...