aperture

A noun referring to an opening, hole, or gap, which can be natural, man-made, or a device that regulates the passage of light, especially in optical instruments.

ruСуществительное, обозначающее отверстие, дыру или щель, которые могут быть естественными, искусственными или устройством, регулирующим прохождение света, особенно в оптических приборах.esSustantivo que designa una abertura o agujero, ya sea natural, artificial o un mecanismo que regula el paso de la luz, especialmente en instrumentos ópticos.frNom désignant une ouverture, un trou ou une fente, qui peuvent être naturels, artificiels, ou un dispositif réglant le passage de la lumière, notamment dans les instruments d'optique.deSubstantiv, das eine Öffnung, ein Loch oder einen Spalt bezeichnet, die natürlich, künstlich oder eine Vorrichtung sein können, die den Lichteinfall reguliert, besonders in optischen Geräten.ptSubstantivo que designa uma abertura, fenda ou orifício, natural ou artificial, ou um dispositivo que regula a passagem de luz, especialmente em instrumentos ópticos.zh名词，指孔、洞或缝隙，可以是天然的、人造的，或指光学仪器中控制光线通过的装置。arاسم يدل على فتحة أو ثقب أو شق، قد تكون طبيعية أو اصطناعية، أو جهاز يتحكم في مرور الضوء، خاصة في الأجهزة البصرية.

1. Light control device B2 formal technical

   A mechanism, typically in a camera or optical instrument, that regulates the amount of light passing through a lens.

   • The photographer adjusted the aperture to let in more light.
   • A wider aperture creates a shallower depth of field.
   • The camera's aperture is controlled by a ring on the lens.

   ruДиафрагмаesAbertura (de un objetivo)frOuverture (dispositif de contrôle de la lumière)deBlendeptAberturazh光圈arفتحة العدسة

   Synonymes: diaphragmirisstop

2. Natural opening C1 formal scientific

   An opening or gap that occurs naturally in a structure or organism.

   • The cave's aperture was barely wide enough to enter.
   • The aperture in the rock face led to a hidden chamber.
   • The nasal aperture is part of the human skull.

   ruЕстественное отверстиеesAbertura naturalfrouverture naturelledeNatürliche ÖffnungptAbertura naturalzh自然开口arفتحة طبيعية

   Synonymes: cleftfissuregapholeopeningorificeporeslitvent

3. Small man-made opening B2 formal technical

   A small, often deliberate opening created in a surface or object, typically for a specific purpose.

   • The aperture in the wall allowed a thin stream of light to enter.
   • The device has a small aperture for inserting a cable.
   • The aperture in the door was used for passing documents through.

   ruНебольшое отверстиеesAbertura artificial pequeñafrOuverture artificielledeKleine ÖffnungptPequena aberturazh小孔arفتحة صغيرة

   Synonymes: holeopeningorificeportslitslotvent

• apertures plural form
• apertures' possessive plural form
• aperture's possessive singular form