Definition of Apertures. Meaning of Apertures. Synonyms of Apertures

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

Definition of Apertures

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 Apertures from wikipedia

- that are not the aperture stop of an optical system are also called apertures. Contexts need to clarify these terms. The word aperture is also used in...
- openings of the fourth ventricle are the lateral apertures - one on either side. Nonetheless, the median aperture accounts for most of the outflow of CSF out...
- the amount of light that can p**** through. Aperture may also refer to: In anatomy, a number of apertures in the human body: Apertura nasalis posterior...
- numerical apertures collect more light and will generally provide a brighter image, but will provide shallower depth of field. Numerical aperture is used...
- The lateral aperture of the fourth ventricle or foramen of Luschka (after anatomist Hubert von Luschka) is an opening at the lateral extremity of either...
- Nasal aperture may refer to: Posterior nasal apertures Anterior nasal aperture This disambiguation page lists articles ****ociated with the title Nasal...
- Aperture is a discontinued professional image organizer and editor developed by Apple between 2005 and 2015 for the Mac, as a professional alternative...
- Coded apertures or coded-aperture masks are grids, gratings, or other patterns of materials opaque to various wavelengths of electromagnetic radiation...
- An aperture grille is one of two major technologies used to manufacture color cathode-ray tube (CRT) televisions and computer displays; the other is the...
- antennas at a given frequency) gain is also equal to the ratio of the apertures of these antennas: G = P o P iso = A e A iso . {\displaystyle G={\frac...