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Pit vs Aperture - What's the difference?

pit | aperture |

As nouns the difference between pit and aperture

is that pit is a hole in the ground while 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 verb pit

is to make pits in.

pit

English

(wikipedia pit)

Etymology 1

From (etyl), from (etyl) .

Noun

(en noun)
  • A hole in the ground.
  • (motor racing) An area at a motor racetrack used for refueling and repairing the vehicles during a race.
  • (music) A section of the marching band containing mallet percussion instruments and other large percussion instruments too large to march, such as the tam tam. Also, the area on the sidelines where these instruments are placed.
  • A mine.
  • (archaeology) A hole or trench in the ground, excavated according to grid coordinates, so that the provenance of any feature observed and any specimen or artifact revealed may be established by precise measurement.
  • (trading) A trading pit.
  • Something particularly unpleasant.
  • The bottom part of.
  • (colloquial) Armpit, oxter.
  • (aviation) A luggage hold.
  • (countable) A small surface hole or depression, a fossa.
  • * {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
    • , title= Welcome to the plastisphere , passage=[The researchers] noticed many of their pieces of [plastic marine] debris sported surface pits' around two microns across. Such '''pits''' are about the size of a bacterial cell. Closer examination showed that some of these ' pits did, indeed, contain bacteria, […].}}
  • The indented mark left by a pustule, as in smallpox.
  • The grave, or underworld.
  • * Milton
    • Back to the infernal pit I drag thee chained.
  • * Bible, Job xxxiii. 18
    • He keepeth back his soul from the pit .
  • An enclosed area into which gamecocks, dogs, and other animals are brought to fight, or where dogs are trained to kill rats.
  • * John Locke
    • as fiercely as two gamecocks in the pit
  • Formerly, that part of a theatre, on the floor of the house, below the level of the stage and behind the orchestra; now, in England, commonly the part behind the stalls; in the United States, the parquet; also, the occupants of such a part of a theatre.
  • Part of a casino which typically holds tables for blackjack, craps, roulette, and other games.
    • Derived terms
    * armpit * money pit * pit-eye * pit stop

    Verb

    (pitt)
  • To make pits in.
    • Exposure to acid rain pitted the metal.
  • To put (a dog) into a pit for fighting.
  • To bring (something) into opposition with something else.
    • Are you ready to pit your wits against one of the world's greatest puzzles?
  • * 22 March 2012 , Scott Tobias, AV Club The Hunger Games [http://www.avclub.com/articles/the-hunger-games,71293/]
    • For the 75 years since a district rebellion was put down, The Games have existed as an assertion of the Capital’s power, a winner-take-all contest that touts heroism and sacrifice—participants are called “tributes”— while pitting the districts against each other.
  • (motor racing) To return to the pits during a race for refuelling, tyre changes, repairs etc.

    • Etymology 2

    From (etyl) . Compare (l).

    Noun

    (en noun)
  • A seed inside a fruit; a stone or pip inside a fruit.
  • A shell in a drupe containing a seed.

    • Verb

    (pitt)
  • To remove the stone from a stone fruit or the shell from a drupe.
    • One must pit a peach to make it ready for a pie.

    Anagrams

    * * ----

    aperture

    English

    Noun

    (en noun)
  • An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
  • * Gilpin
    • an aperture between the mountains
  • * Owen
    • the back aperture of the nostrils
  • (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.
    • 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 priority

    Related terms

    * aperient

    External links

    * * ----