different between aperture vs hatch

English

Etymology

Borrowed from Latin apert?ra (“opening”), from apertus, past participle of aper?re (“to open, uncover”), opposed to oper?re (“to close, cover”). See aperient. Doublet of overture.

Pronunciation

• (Received Pronunciation) IPA^(key): /?æp.?.t??(?)/, /?æp.?.tj??(?)/
• (US) IPA^(key): /?æp.?.t??/
• Hyphenation: ap?er?ture

Noun

aperture (plural apertures)

1. A small or narrow opening, gap, slit, or hole.
   • 1860, Samuel Hannaford, Sea and River-side Rambles in Victoria Chapter 7

     In the centre of the fleshy membrane is an aperture leading into a deep cavity, at the bottom of which is placed a prominent piston that may be retracted by muscular fibres provided for the purpose.
2. (optics) Something which restricts the diameter of the light path through one plane in an optical system.
3. (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.

4. (spaceflight, communication) 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.
5. (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

Related terms

Translations

Further reading

• aperture in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• aperture in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

French

Etymology

Borrowed from Latin apert?ra (“opening”). Doublet of ouverture.

Pronunciation

• IPA^(key): /a.p??.ty?/

Noun

aperture f (uncountable)

1. (phonetics, phonology) opening, openness, aperture

Related terms

• apéritif
• ouvrir

Further reading

• “aperture” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Italian

Pronunciation

• Rhymes: -ure

Noun

aperture f

1. plural of apertura

Anagrams

• reputare
• reputerà

Latin

Participle

apert?re

1. vocative masculine singular of apert?rus

Spanish

Verb

aperture

1. First-person singular (yo) present subjunctive form of aperturar.
2. Formal second-person singular (usted) present subjunctive form of aperturar.
3. Third-person singular (él, ella, also used with usted^?) present subjunctive form of aperturar.
4. Formal second-person singular (usted) imperative form of aperturar.

English

Pronunciation

• enPR: h?ch, IPA^(key): /hæt?/
• Hyphenation: hatch
• Rhymes: -æt?

Etymology 1

From Middle English hacche, hache, from Old English hæ?, from Proto-West Germanic *hakkju (compare Dutch hek ‘gate, railing’, Low German Heck ‘pasture gate, farmyard gate’), variant of *haggju ‘hedge’. More at hedge.

Noun

hatch (plural hatches)

1. A horizontal door in a floor or ceiling.
2. A trapdoor.
3. An opening in a wall at window height for the purpose of serving food or other items. A pass through.

4. A small door in large mechanical structures and vehicles such as aircraft and spacecraft often provided for access for maintenance.
5. (nautical) An opening through the deck of a ship or submarine
6. (slang) A gullet.
7. A frame or weir in a river, for catching fish.
8. A floodgate; a sluice gate.

   (Can we find and add a quotation of Ainsworth to this entry?)

9. (Scotland) A bedstead.
10. (mining) An opening into, or in search of, a mine.

Derived terms

Translations

Verb

hatch (third-person singular simple present hatches, present participle hatching, simple past and past participle hatched)

1. (transitive) To close with a hatch or hatches.

Etymology 2

From Middle English hacche, hacchen (“to propagate”), from Old English hæ??an, ?ha??ian (“to peck out; hatch”), from Proto-Germanic *hakjan?.

Cognate with German hecken ‘to breed, spawn’, Danish hække (“to hatch”), Swedish häcka (“to breed”); akin to Latvian kakale ‘penis’.

Verb

hatch (third-person singular simple present hatches, present participle hatching, simple past and past participle hatched)

1. (intransitive) (of young animals) To emerge from an egg.
2. (intransitive) (of eggs) To break open when a young animal emerges from it.
3. (transitive) To incubate eggs; to cause to hatch.
4. (transitive) To devise.

Derived terms

• hatchling

Translations

References

Noun

hatch (plural hatches)

1. The act of hatching.
2. (figuratively) Development; disclosure; discovery.
3. (poultry) A group of birds that emerged from eggs at a specified time.

5. (often as mayfly hatch) The phenomenon, lasting 1–2 days, of large clouds of mayflies appearing in one location to mate, having reached maturity.
   • a. 1947, 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.
6. (informal) A birth, the birth records (in the newspaper) — compare the phrase "hatched, matched, and dispatched."

Translations

Etymology 3

From Middle French hacher (“to chop, slice up, incise with fine lines”), from Old French hacher, hachier, from Frankish *hak?n, *hakk?n, from Proto-Germanic *hakk?n? (“to chop; hack”). More at hack.

Verb

hatch (third-person singular simple present hatches, present participle hatching, simple past and past participle hatched)

1. (transitive) To shade an area of (a drawing, diagram, etc.) with fine parallel lines, or with lines which cross each other (cross-hatch).
   • 1695, John Dryden (translator), Observations on the Art of Painting by Charles Alphonse du Fresnoy

     Those hatching strokes of the pencil.
2. (transitive, obsolete) To cross; to spot; to stain; to steep.

   • His weapon hatch'd in blood.

Translations

See also

• Hatch End

Further reading

• Hatch in the Encyclopædia Britannica (11th edition, 1911)

Anagrams

• Thach, tchah