APERTURE Meaning and
Definition
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Aperture, in its broadest sense, refers to an opening or hole that allows the passage of light or other substances through a barrier or object. However, in the context of various fields, including photography, physics, and anatomy, the term "aperture" holds specific meanings.
In photography, aperture typically refers to the adjustable opening within a camera lens that controls the amount of light entering the camera and reaching the image sensor or film. It is measured in f-stops and displayed as a numerical value. A smaller aperture indicates a higher f-stop number, resulting in a narrower opening and decreased light transmission, while a larger aperture corresponds to a wider opening and increased light intake. The aperture also determines the depth of field, influencing the focus range and the degree of background blur in an image.
In the field of physics, aperture refers to an opening or hole that allows the passage of particles or waves. For example, in optics, an aperture can be an opening in an optical instrument, such as a microscope or telescope, through which light passes to form an image. The size of the aperture affects the resolution and clarity of the image formed.
In anatomy, aperture refers to a natural or surgically created opening or passage within a structure or tissue. Examples include the aperture within the iris of the eye (pupil) or various apertures found in the human skull.
Overall, aperture generally indicates an opening or hole that serves a specific function depending on the field under consideration.
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1. An opening, orifice. 2. The diameter of the objective of a microscope.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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An opening; a cleft or gap.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Top Common Misspellings for APERTURE *
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Other Common Misspellings for APERTURE
Etymology of APERTURE
The word "aperture" has its origins in the Latin word "apertura", which means "an opening" or "an aperture". It is derived from the verb "aperire", which means "to open". The word later entered the English language in the 15th century, primarily through the field of optics and the study of apertures in lenses and cameras.
Similar spelling words for APERTURE
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