Aperture vs Excavation - What's the difference?
aperture | excavation | Related terms |
An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
* Gilpin
* Owen
(optics) Something which restricts the diameter of the light path through one plane in an optical system.
(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.
(spaceflight, communications) 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 .
(mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.
(uncountable) The act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass.
(countable) A cavity formed by cutting, digging, or scooping.
(countable) An uncovered cutting in the earth, in distinction from a covered cutting or tunnel.
(countable) The material dug out in making a channel or cavity.
(uncountable) Archaeological research that unearths buildings, tombs and objects of historical value.
(countable) A site where an archaeological exploration is being carried out.
Aperture is a related term of excavation.
As nouns the difference between aperture and excavation
is that aperture is an opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall while excavation is (uncountable) the act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass.aperture
English
Noun
(en noun)- an aperture between the mountains
- the back aperture of the nostrils
- If the generatrix makes an angle ? to the axis, then the aperture is 2?.