Aperture vs Vent - What's the difference?
aperture | vent | 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.
An opening through which gases, especially air, can pass.
A small aperture.
* Shakespeare
* Alexander Pope
The opening of a volcano from which lava flows.
A verbalized frustration.
The excretory opening of lower orders of vertebrates.
A slit in the seam of a garment.
The opening at the breech of a firearm, through which fire is communicated to the powder of the charge; touchhole.
In steam boilers, a sectional area of the passage for gases divided by the length of the same passage in feet.
Opportunity of escape or passage from confinement or privacy; outlet.
Emission; escape; passage to notice or expression; publication; utterance.
* Milton
* Shakespeare
To allow gases to escape.
To allow to escape through a vent.
(intransitive) To express a strong emotion.
* 2013 June 18, , "
To snuff; to breathe or puff out; to snort.
sale; opportunity to sell; market
* Sir W. Temple
Aperture is a related term of vent.
As a noun aperture
is an opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.As a numeral vent is
.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?.
Usage notes
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° aperture.Derived terms
* aperture priorityExternal links
* * ----vent
English
Etymology 1
Partly from (etyl) vent, from (etyl) ventus and party from (etyl) .Noun
(en noun)- the vent''' of a cask; the '''vent of a mould
- Look, how thy wounds do bleed at many vents .
- Long 'twas doubtful, both so closely pent, / Which first should issue from the narrow vent .
- without the vent of words
- Thou didst make tolerable vent of thy travel.
Derived terms
* ridge ventVerb
(en verb)- The stove vents to the outside.
- Exhaust is vented to the outside.
- He vents his anger violently.
- Can we talk? I need to vent .
Protests Widen as Brazilians Chide Leaders," New York Times (retrieved 21 June 2013):
- But the demonstrators remained defiant, pouring into the streets by the thousands and venting their anger over political corruption, the high cost of living and huge public spending for the World Cup and the Olympics.
- (Spenser)
Etymology 2
Derived terms
* vent puppetEtymology 3
(etyl) vente, from (etyl) (lena) .Noun
- (Shelton)
- There is no vent for any commodity but of wool.