ALL meanings of aperture
ap·er·ture
A a - countable noun aperture An aperture is a narrow hole or gap. 3
- countable noun aperture In photography, the aperture of a camera is the size of the hole through which light passes to reach the film. 3
- noun aperture a hole, gap, crack, slit, or other opening 3
- noun aperture a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it 3
- noun aperture the diameter of such an opening 3
- noun aperture an opening; hole; gap 3
- noun aperture the opening, or the diameter of the opening, in a camera, telescope, etc. through which light passes into the lens 3
- noun aperture an opening, as a hole, slit, crack, gap, etc. 1
- noun aperture Also called aperture stop. Optics. an opening, usually circular, that limits the quantity of light that can enter an optical instrument. 1
- noun aperture An opening, hole, or gap. 1
- noun aperture camera: opening 1
- noun aperture opening 1
- noun aperture camera: f-stop 1
- noun aperture An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall. 0
- noun aperture (optics) Something which restricts the diameter of the light path through one plane in an optical system. 0
- noun aperture (astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens. e.g. a telescope may have a 100 cm aperture. 0
- noun aperture (spaceflight, communication) The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array. 0
- noun aperture (mathematics, rare, of a right circular cone) The maximum angle between the two generatrices. 0