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The meaning of APERTURE is an opening or open space : hole. How to use aperture in a sentence. an opening or open space : hole; the opening in a photographic lens that admits the light…
1 day ago · 2 meanings: 1. a hole, gap, crack, slit, or other opening 2. physics a. a usually circular and often variable opening in an.... Click for more definitions.
Aperture definition: An opening, such as a hole, gap, or slit. A usually adjustable opening in an optical instrument, such as a camera or telescope, that limits the amount of light passing through a lens or onto a mirror.
Britannica Dictionary definition of APERTURE. [count] 1. formal : a hole or small opening in something. We entered the cave through a narrow aperture. 2. technical : an opening that controls the amount of light that passes through a lens (such as a camera lens) The photograph was taken using a fast shutter speed and a large aperture.
Definition of aperture noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Understanding how different aperture settings work. The f-stop number, or f-number, is the setting that controls the size of the aperture and therefore how much light can pass through the camera lens. F-numbers are determined by the ratio of the diameter of the aperture to the focal length of a lens. A small aperture has a higher f-stop ...
aperture in American English. (ˈæpərtʃər) noun. 1. an opening, as a hole, slit, crack, gap, etc. 2. Also called: aperture stop Optics. an opening, usually circular, that limits the quantity of light that can enter an optical instrument.
