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aspect ratio

Of a fin or wing, the ratio of length to width. A high-aspect-ratio fin or wing tends to be long and thin, producing a high lift- or thrust-to-drag ratio.

aspect ratio

aspect ratio   Quick reference

A Dictionary of Zoology (5 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Science and technology, Life Sciences
Length:
31 words

... ratio Of a fin or wing, the ratio of length to width. A high-aspect-ratio fin or wing tends to be long and thin, producing a high lift- or thrust-to-drag ratio...

aspect ratio

aspect ratio   Quick reference

A Dictionary of the Internet (4 ed.)

Reference type:
Subject Reference
Current Version:
2019

... ratio In a graphic, the ratio of the horizontal size of a graphic and the vertical...

aspect ratio

aspect ratio   Quick reference

A Dictionary of Chemical Engineering

Reference type:
Subject Reference
Current Version:
2014

...aspect ratio The ratio of the height to width or diameter of an item of process plant equipment such as a column or storage tank. ...

aspect ratio

aspect ratio   Quick reference

A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016

... ratio The ratio of width to height for a specified rectangular area such as a display surface or...

aspect ratio

aspect ratio   Quick reference

A Dictionary of Mechanical Engineering (2 ed.)

Reference type:
Subject Reference
Current Version:
2019

...aspect ratio The ratio of the longest to the shortest dimension of a shape or object e.g. the chord-to-thickness ratio of an aerofoil or the span-to-chord ratio of a...

aspect ratio

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A Dictionary of Construction, Surveying and Civil Engineering (2 ed.)

Reference type:
Subject Reference
Current Version:
2020

... ratio The ratio between two dimensions, e.g. width to height ratio in terms of a building width to its height; a computer screen; or ratio of wing length to breadth in terms of an aircraft’s...

aspect ratio

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A Dictionary of Electronics and Electrical Engineering (5 ed.)

Reference type:
Subject Reference
Current Version:
2018

... ratio 1. The ratio of the width of a television picture to the height. Most countries, including the UK and US, have adopted an aspect ratio of 4:3. See also HDTV . 2. The ratio of the width to the length of the channel in field-effect transistors . ...

aspect ratio

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A Dictionary of Media and Communication (3 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Media studies
Length:
72 words

... ratio A standardized relationship between the width and height of an image . Film aspect ratios include 1.37:1 (also known as Academy ratio), 2.35:1 (the anamorphic image format Cinemascope), 1.85:1, and 1.66:1 (both non-anamorphic formats). Television at first adopted the Academy ratio, but since the 1990s widescreen sets of 1.77:1 (more commonly expressed as 16:9) have become the norm. See also aspect-ratio conversion ; letterbox format ; pillarbox format . ...

aspect ratio

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The Oxford Companion to Ships and the Sea (2 ed.)

Reference type:
Subject Reference
Current Version:
2007
Subject:
History, Social sciences
Length:
122 words

... ratio usually refers to the ratio between the length of the luff and foot of a yacht 's mainsail, but in some modern yachts may also refer to the ratio of the depth of a yacht's keel fin to its length. In the early days of Bermudan mainsails the aspect ratio used to be as low as 2 : 1, but in modern racing yachts the luff-to-foot length ratio is generally between 3.5 : 1 and 4 : 1. Such a high aspect ratio means a tall and narrow sail which is like a glider's wing set up on end. It is highly efficient in sailing very close to the wind (as near as 3½...

aspect ratio

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A Dictionary of Film Studies (2 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Media studies
Length:
420 words

...preserving the original aspect ratio of films, with a great deal of effort now invested in enabling viewers to watch films in the aspect ratio their filmmakers intended. The Academy ratio is still selected by filmmakers, and recent films shot in this format include Fish Tank (Andrea Arnold, 2009 ), The Grand Budapest Hotel (Wes Anderson, 2014 ), and Ida (Pawel Pawlikowski, 2014 ). See also camera ; film projector ; screen . https://nofilmschool.com/Aspect-Ratio-Examples-For-Filmmakers A beginner’s guide to aspect ratios...

pixel aspect ratio

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A Dictionary of Computer Science (7 ed.)

Reference type:
Subject Reference
Current Version:
2016

...aspect ratio The ratio of width to height of a pixel on a display. Some devices have rectangular pixels, making curve and line drawing more...

aspect-ratio conversion

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A Dictionary of Media and Communication (3 ed.)

Reference type:
Subject Reference
Current Version:
2020
Subject:
Media studies
Length:
40 words

...-ratio conversion ( ARC ) In television post-production , ‘arcing’ typically involves cropping , ‘letterboxing’, or stretching the picture to accommodate different screen formats. See also aspect ratio ; letterbox format ; pan and scan ; pillarbox format . http://www.pjdaniel.org.uk/afd/ Digital widescreen TV ...

high-aspect-ratio ignimbrite

high-aspect-ratio ignimbrite   Quick reference

A Dictionary of Geology and Earth Sciences (5 ed.)

Reference type:
Subject Reference
Current Version:
2020

...aspect-ratio ignimbrite ( HARI ) An ignimbrite sheet displaying a value for the ratio of its average thickness ( V ) to its horizontal extent ( H ) of 10 −2 to 10 −3 , where H is taken as the diameter of a circle with a surface area equal to that of the flow. Compare low-aspect-ratio ignimbrite...

low-aspect-ratio ignimbrite

low-aspect-ratio ignimbrite   Quick reference

A Dictionary of Geology and Earth Sciences (5 ed.)

Reference type:
Subject Reference
Current Version:
2020

...aspect-ratio ignimbrite ( LARI ) An ignimbrite sheet that displays a value for the ratio of its average thickness ( V ) to its horizontal extent ( H ) of 10 −4 to 10 −5 , where H is taken as the diameter of a circle whose area is equal to that of the flow. Compare high-aspect-ratio ignimbrite...

aspect ratio

aspect ratio noun   Quick reference

New Oxford American Dictionary (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
57 words
aspect ratio

aspect ratio noun   Quick reference

Oxford Dictionary of English (3 ed.)

Reference type:
English Dictionary
Current Version:
2015
Subject:
English Dictionaries and Thesauri
Length:
57 words
aspect ratio

aspect ratio noun   Reference library

The Canadian Oxford Dictionary (2 ed.)

Reference type:
English Dictionary
Current Version:
2005
Subject:
English Dictionaries and Thesauri
Length:
34 words
aspect ratio

aspect ratio  

Of a fin or wing, the ratio of length to width. A high-aspect-ratio fin or wing tends to be long and thin, producing a high lift- or thrust-to-drag ratio.
pixel aspect ratio

pixel aspect ratio  

The ratio of width to height of a pixel on a display. Some devices have rectangular pixels, making curve and line drawing more difficult.
aspect-ratio conversion

aspect-ratio conversion  

Reference type:
Overview Page
Subject:
Media studies
In television post-production, ‘arcing’ typically involves cropping, ‘letterboxing’, or stretching the picture to accommodate different screen formats. Each process has advantages and disadvantages. ...

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