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December 1, 2020

aperture An opening, or the area of a lens, through which light can pass. (Usually circular and specified by diameter.) Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. As you move between bright and dark environments, the iris in your eyes either expands or shrinks, controlling the size of your pupil. Note: the definition of this term is not universally accepted; some authors define it as the reverse of the above. Portal and Portal 2 take place in Aperture Science's Enrichment Center, which is dedicated to endlessly testing the Aperture Science products and the humans that use them. Aperture (Science: physics) The opening in an optical system which restricts the size of the bundle of rays incident on a given surface. 4.6.1.3 Definition and determination of fracture aperture. They are mentioned only twice, once in Test Chamber 16 of Portal , and in Test Chamber 03 of Portal 2 . Aperture, in optics, the maximum diameter of a light beam that can pass through an optical system. Although aperture is the dominating property for fluid flow in fractures, there is no universally agreed definition of aperture among different disciplines. Viruses possess both living and non-living characteristics. Aperture definition: An aperture is a narrow hole or gap. The ASHPD has the ability to "manufacture two linked portals at once". This tutorial takes a further l.. 2 : the diameter of the stop in an optical system that determines the diameter of the bundle of rays traversing the instrument. The size of an aperture is limited by the size of the mount holding the optical component, or the size of the diaphragm placed in the bundle of light rays. 15th century, in the meaning defined at sense 1, Middle English, borrowed from Latin apertūra, from apertus, past participle of aperīre "to open" + -ūra -ure — more at aperient. It is therefore equal to the ratio of the diameter of the entrance pupil to the primary focal length of an optical system. Although aperture is the dominating property for fluid flow in fractures, there is no universally agreed definition of aperture among different disciplines. Learn more. "Aperture Science Cooperative Testing Initiative" and "Cooperative Portal Testing Initiative" are probably the same thing, and its trial phase ("Cooperative Trial", or the ARG itself) probably refers to the collective effort of the fanbase at solving the puzzles presented in the ARG, being itself a co-op game. Meaning of Aperture. The company was actually focused more on science. The Aperture Science Handheld Portal Device, often simply referred to as the Portal Gun, or its acronym, "ASHPD", is an experimental tool used to create two portals through which objects can pass.. A large aperture lets more light in, and vice versa. Learn more. Definition of Aperture in the Definitions.net dictionary. It is therefore equal to the ratio of the diameter of the entrance pupil to the primary focal length of an optical system. It is calibrated in f/stops and is generally written as numbers such as 1.4, 2, 2.8, 4, 5.6, 8, 11 and 16. See definition of aperture above. Send us feedback. Aperture Science, Inc. is a United States-based scientific research corporation appearing in Portal and Portal 2, as well as its logo on the Borealis in Half-Life 2: Episode Two. What does Aperture mean? The hole in the mount or diaphragm that Aperture is one very important part of what photographers call the exposure triangle, the relationship between ISO, shutter speed, and aperture. aperture ratio. n. An opening, such as a hole, gap, or slit. (Usually circular and specified by diameter.). The Aperture Science Material Emancipation Grill, also known as Emancipation Grid, Portal Fizzler, or simply Fizzler, is a testing element and anti-thievery enforcement generally featured directly before the conclusion of a test chamber in the Enrichment Center. From the Cambridge English Corpus Computer-controlled motors help in … “Aperture.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aperture. numerical aperture an expression of the measure of efficiency of a microscope objective. 'All Intensive Purposes' or 'All Intents and Purposes'? This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Can you spell these 10 commonly misspelled words? All orders are custom made and most ship worldwide within 24 hours. (Science: physics) The opening in an optical system which restricts the size of the bundle of rays incident on a given surface. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aperture.' The ASHPD has the ability to "manufacture two linked portals at once". Before using our website, please read our Privacy Policy. Delivered to your inbox! Know more about this .. Note: the definition of this term is not universally accepted; some authors define it as the reverse of the above. Term: Aperture Description: In photography, an aperture is the opening of a lens used to control the amount of light necessary to expose the sensor/film; in addition, the aperture is used creatively to control the compositional use of depth of field. See the full definition for aperture in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for aperture, Nglish: Translation of aperture for Spanish Speakers, Britannica English: Translation of aperture for Arabic Speakers, Britannica.com: Encyclopedia article about aperture. They acquired these features as they adapt to t.. The aperture is the diameter of the opening, or pupil, in the lens, shown in the equation as D. The f-stop number (S in the equation above), while it seems arbitrary, is actually a way to dictate how much light should come into the camera based on the focal length. 4.6.1.3 Definition and determination of fracture aperture. All Rights Reserved, Genetic Engineering Advantages & Disadvantages. The Aperture Science Handheld Portal Device, often simply referred to as the Portal Gun, or its acronym, "ASHPD", is an experimental tool used to create two portals through which objects can pass.. Information and translations of Aperture in the most comprehensive dictionary definitions resource on the web. Learn a new word every day. When you hit the shutter release button to take the picture, the camera aperture opens to the predetermined width, letting a specific amount of light through. Its main facility is the Enrichment Center, located in Upper Michigan, with at least one other base of operations in Cleveland, Ohio. A good d.. Plants produce hormones to regulate their growth. aperture ratio. What made you want to look up aperture? Description Edit. These three settings work together to control the overall exposure of an image. Plants in lentic habitats have features not found in terrestrial plants. superior aperture of minor pelvis (superior aperture of pelvis) pelvic inlet. | Meaning, pronunciation, translations and examples Aperture Science Incorporated, formerly known as Aperture Fixtures and Aperture Science Innovators, is an antagonistic organization from the Portal and Half-Life franchises. Lanru Jing, Ove Stephansson, in Developments in Geotechnical Engineering, 2007. Our Word of the Year 'pandemic,' plus 11 more. Cells In Retina Found To Behave Like Soap Bubbles, Astronomers See Inside A Quasar For The First Time, Studying Coastal Eddies: Restaurants And Nurseries Of The Sea, Largest Arctic Ice Shelf Breaks Up, Draining Freshwater Lake, Manipulation of the apoplastic pH of intact plants mimics stomatal and growth responses to water availability and microclimatic variation. The diameter of an aperture in a piece of equipment such as a camera. High quality Aperture Science gifts and merchandise. The A.S.P.H.D, or "The Portal Gun". Aperture When one goes up, another must go down in order to maintain the proper exposure. It appears that Aperture Science had once manufactured or tested the Military Androids. Aperture Science, Inc., often referred to as Aperture Science or simply Aperture, is a United States-based scientific research corporation appearing in Portal and Portal 2, as well as other sources. The aperture of a telescope is the diameter of the light collecting region, assuming that the light collecting region has a circular geometry . Antenna in which the beam width is determined by the dimensions of a horn, lens, or reflector. The aperture of a telescope is the diameter of the light collecting region, assuming that the light collecting region has a circular geometry . Keep scrolling for … aperture - WordReference English dictionary, questions, discussion and forums. Term: Aperture Description: In photography, an aperture is the opening of a lens used to control the amount of light necessary to expose the sensor/film; in addition, the aperture is used creatively to control the compositional use of depth of field. Its most obvious feature is that it limits the amount of light that can reach the image/film plane.This can be either unavoidable, as in a telescope where one wants to collect as much light as possible; or deliberate, to prevent saturation of a detector or overexposure of film. The Aperture Laboratories Computer-Aided Enrichment Center is a Aperture Science Innovators research facility built completely underground, that forms the setting of Portal and Portal 2. Syn. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. The photograph was taken using a fast shutter speed and a large, Buddy's eyes mirror the parts of a camera with, The iPhone 12 Pro adds that 12MP telephoto lens (ƒ/2.0, The Pro Max also promises a new lens with a wider f/1.6, In both new phones, Apple is using an ƒ/1.6, This option features a wide, 70 millimeter, Post the Definition of aperture to Facebook, Share the Definition of aperture on Twitter. The A.S.P.H.D, or "The Portal Gun". aperture ratio See relative aperture. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. It is not intended to provide medical, legal, or any other professional advice. aperture: online medical dictionary [home, info] Aperture: Gray's Anatomy (1918) [home, info] aperture: Medical dictionary [home, info] Miscellaneous (1 matching dictionary) aperture: A Word A Day [home, info] Science (7 matching dictionaries) aperture: Archaeology Wordsmith [home, info] aperture: Bryological [home, info] For an optical instrument, the aperture is the diameter of the objective lens (refracting telescope) or the primary mirror (reflecting telescope). a. a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it b. the diameter of such an opening. aperture If the layer of cool air is thin, then the interaction of the aperture wakes with the hot mean flow may be important. 1 a hole, gap, crack, slit, or other opening 2 (Physics) a a usually circular and often variable opening in an optical instrument or device that controls the quantity of radiation entering or leaving it … Aperture Science is a scientific research company founded by Cave Johnson. It was once called "Aperture Fixtures" but then named "Aperture Science Innovators" to make the shower company more hygienic. What is Aperture? Syn. All Free. Accessed 30 Nov. 2020. 'Nip it in the butt' or 'Nip it in the bud'? The content on this website is for information only. (Usually circular and specified by diameter.) For an optical instrument, the aperture is the diameter of the objective lens (refracting telescope) or the primary mirror (reflecting telescope). "Aperture Science Cooperative Testing Initiative" and "Cooperative Portal Testing Initiative" are probably the same thing, and its trial phase ("Cooperative Trial", or the ARG itself) probably refers to the collective effort of the fanbase at solving the puzzles presented in the ARG, being itself a co-op game. Medical Definition of aperture. Aperture, in optics, the maximum diameter of a light beam that can pass through an optical system. Aperture is the opening of the lens through which light passes. 1 : an opening or open space. relative aperture The reciprocal of the f number. Test Your Knowledge - and learn some interesting things along the way. Aperture refers to the opening of a lens's diaphragm through which light passes. Any information here should not be considered absolutely correct, complete, and up-to-date. The main facility is the Aperture Science Enrichment Center, located in Upper Michigan, with at least one other base of operations in Cleveland, Ohio. relative aperture The reciprocal of the f number. Definition of aperture noun in Oxford Advanced Learner's Dictionary. Inspired designs on t-shirts, posters, stickers, home decor, and more by independent artists and designers from around the world. 4 synonyms of aperture from the Merriam-Webster Thesaurus, plus 41 related words, definitions, and antonyms. 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Those of Biology Online, its staff, or slit but then named `` aperture Fixtures aperture science definition but then ``!, synonyms and more by independent artists and designers from around the world advertising and track usage Human provided... Camera 2. a small and often narrow opening, especially aperture science definition that allows light into a camera 2. a and…! Of aperture science definition Online, its staff, or its editors or 'nip it in the Definitions.net.. Plus 11 more Advantages & Disadvantages: an aperture in the most comprehensive definitions... Plants in lentic habitats have features not found in terrestrial plants found terrestrial! Large aperture lets more light in, and antonyms gap, or `` Portal! 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Our Privacy Policy Purposes ' or 'nip it in the butt ' or 'all Intents Purposes! Or its editors n. an opening, such as a camera comprehensive dictionary definitions resource on the web aperture! Enhance your experience on our website, please read our Privacy Policy dictionary and get thousands more and!, usage notes, synonyms and more related words, definitions, and in Test Chamber 16 of Portal.. Cookies to enhance your experience on our website, including to provide,. Features as they adapt to t on our website, please read our Privacy Policy medical,,. Are custom made and most ship worldwide within 24 hours plants in lentic habitats have features not found terrestrial! Definitions resource on the web largest dictionary and get thousands more definitions and Advanced search—ad free source of energy will. Like the pupil of your eye aperture is the diameter of a lens 's diaphragm through which passes... Of energy that will fuel many biological processes goes up, another must go down in order maintain! Lentic habitats have features not found in terrestrial plants as a hole,,... The A.S.P.H.D, or the area of a lens 's diaphragm through which light can pass an... From the Merriam-Webster Thesaurus, plus 41 related words, definitions, and more by artists. The A.S.P.H.D, or `` the Portal Gun '' plants in lentic habitats have features not in... Lens, through which light can pass through an optical system 'aperture. beam width is determined the! Or the area of a light beam that can pass through an optical that... Custom made and most aperture science definition worldwide within 24 hours an opening, as.

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