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Aperture vs Hatch - What's the difference?

aperture | hatch |

As nouns the difference between aperture and hatch

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 hatch is a horizontal door in a floor or ceiling.

As a verb hatch is

to close with a hatch or hatches.

As a proper noun Hatch is

{{surname|lang=en}.

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

    * * ----

    hatch

    English

    Etymology 1

    (etyl) hache, from (etyl) ‘hedge’. More at hedge.

    Noun

    (es)
  • A horizontal door in a floor or ceiling.
  • A trapdoor.
  • An opening in a wall at window height for the purpose of serving food or other items. A .
    • The cook passed the dishes through the serving hatch .
  • A small door in large mechanical structures and vehicles such as aircraft and spacecraft often provided for access for maintenance.
  • An opening through the deck of a ship or submarine.
  • (slang) A gullet.
  • A frame or weir in a river, for catching fish.
  • A floodgate; a sluice gate.
    • (Ainsworth)
  • (Scotland) A bedstead.
    • (Sir Walter Scott)
  • (mining) An opening into, or in search of, a mine.
    • Derived terms
    * down the hatch * hatchwise

    Verb

  • To close with a hatch or hatches.
  • * Shakespeare
    • 'Twere not amiss to keep our door hatched .

    Etymology 2

    From (etyl) hacchen ‘to propagate’, cognate with German hecken ‘to breed, spawn’, Danish ; akin to Latvian kakale ‘penis’.Wolfgang Pfeifer, ed., Etymologisches Wörterbuch des Deutschen , s.v. “hecken” (Munich: Deutscher Taschenbucher Vertrag, 2005).

    Verb

    (es)
  • (of young animals) To emerge from an egg.
  • (of eggs) To break open when a young animal emerges from it.
  • To incubate eggs; to cause to hatch.
  • To devise.
    • to hatch''' a plan or a plot; to '''hatch mischief or heresy
    Derived terms
    * hatchling
    References

    Noun

    (head)
  • The act of hatching.
  • Development; disclosure; discovery.
    • (Shakespeare)
  • (poultry) A group of birds that emerged from eggs at a specified time.
    • These pullets are from an April hatch .
  • The phenomenon, lasting 1-2 days, of large clouds of mayflies appearing in one location to mate, having reached maturity.
  • * Edward R. Hewitt, quoted in 1947', Charles K. Fox, ''Redistribution of the Green Drake'', '''1997 , Norm Shires, Jim Gilford (editors), ''Limestone Legends , page 104,
    • The Willowemoc above Livington Manor had the largest mayfly hatch I ever knew about fifty years ago.
  • * 2004 , Ed Engle, Fishing Small Flies , page 118,
    • The major application of the parachute is for mayfly hatches', but it's also useful for midge ' hatches .
  • * 2007 , John Shewey, On the Fly Guide to the Northwest , page 70,
    • Many years the mayfly hatch' begins by the time the lake opens in April. Otherwise, expect strong '''hatches''' by mid-May. The ' hatches continue through midsummer.
  • (informal) A birth, the birth records (in the newspaper) — compare the phrase "hatched, matched, and dispatched."

    • Etymology 3

    From (etyl)

    Verb

    (es)
  • To shade an area of (a drawing, diagram, etc.) with fine parallel lines, or with lines which cross each other (cross-hatch).
  • * Dryden
    • Those hatching strokes of the pencil.
  • * Chapman
    • Shall win this sword, silvered and hatched .
  • (obsolete) To cross; to spot; to stain; to steep.
  • * Beaumont and Fletcher
    • His weapon hatched in blood.

    External links