Crevasse vs Aperture - What's the difference?
crevasse | aperture | Related terms |
(literally) A crack or fissure in a glacier or snow field; a chasm.
(figuratively) A discontinuity or “gap” between the accounted variables and an observed outcome.
* 1954 : , Dilemmas: The Tarner Lectures, 1953 , dilemma vii: Perception, page 105 (The Syndics of the Cambridge University Press)
To form crevasses.
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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.
Crevasse is a related term of aperture.
As nouns the difference between crevasse and aperture
is that crevasse is gully while aperture is an opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.crevasse
English
(wikipedia crevasse)Noun
(en noun)- he laments that he can find no physiological phenomenon answering to his subject’s winning a race, or losing it. Between his terminal output of energy and his victory or defeat there is a mysterious crevasse . Physiology is baffled.
Verb
(crevass)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?.
