1) Astronomical instrument 2) Early astronomical instrument 3) Greek invention 4) Indicator 5) Part of a sundial 6) Sundial 7) Sundial arm 8) Sundial component 9) Sundial part 10) Sundial pointer 11) Sundial shadow-caster 12) Sundial style
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https://www.crosswordclues.com/clue/gnomon
A gnomon [ˈnoʊmɒn] NO-mon, from Greek γνώμων, gnōmōn, literally `one that knows or examines`, is the part of a sundial that casts the shadow. The term has come to be used for a variety of purposes in mathematics and other fields. == History of the term == Anaximander (610–546 BC) is credited with introducing this Babylonian instrume.....
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http://en.wikipedia.org/wiki/Gnomon
[figure] In geometry, a gnomon is a plane figure formed by removing a similar parallelogram from a corner of a larger parallelogram. More generically, the term gnomon denotes the form that is to be added to a figure to produce a larger figure of the same shape. ==Building figurate numbers== Figurate numbers were a concern of Pythagorean mat...
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http://en.wikipedia.org/wiki/Gnomon_(figure)
upright rod of a sundial
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http://phrontistery.info/g.html
• (n.) The index of the hour circle of a globe. • (n.) The style or pin, which by its shadow, shows the hour of the day. It is usually set parallel to the earth`s axis. • (n.) A style or column erected perpendicularly to the horizon, formerly used in astronomocal observations. Its principal use was to find the altitude of the sun by ...
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http://thinkexist.com/dictionary/meaning/gnomon/
The projecting arm of a sundial, also known as the style. It casts a shadow, the tip of which points to markings round the rim of the dial that show the time. For accurate reading, the angle of the gnomon must be related to the latitude in which the sundial is set.
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http://www.antique-marks.com/antique-terms-g.html
(from the article `number game`) The gnomons include all of the odd numbers; these can be represented by a right angle, or a carpenter`s square, as illustrated in Figure 3. Gnomons ... In the speculation on odd and even numbers, the early Pythagoreans used so-called gnmones (Greek: `carpenter`s squares`). Judging from Aristotl...
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http://www.britannica.com/eb/a-z/g/41
(from the article `sundial`) The first device for indicating the time of day was probably the gnomon, dating from about 3500 . It consisted of a vertical stick or pillar; the ...
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http://www.britannica.com/eb/a-z/g/41
1. The style or pin, which by its shadow, shows the hour of the day. It is usually set parallel to the earth's axis. ... 2. <astronomy> A style or column erected perpendicularly to the horizon, formerly used in astronomocal observations. Its principal use was to find the altitude of the sun by measuring the length of its shadow. ... 3. <ge...
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http://www.encyclo.co.uk/local/20973
The projecting arm of a sundial, also known as the style. It casts a shadow, the tip of which points to markings round the rim of the dial that show the time. For accurate reading, the angle of the gnomon must be related to the latitude in which the sundial is set.
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http://www.encyclo.co.uk/visitor-contributions.php
Gno'mon noun [ Latin
gnomon , Greek ... one that knows, the index of a sundial. See
Gnome .]
1. (Dialing) The style or pin, which by its shadow, shows the hour of the day. It is usually set parallel to the earth's axis.
2. (Astron.) A style or column erected ...
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http://www.encyclo.co.uk/webster/G/39
A gnomon is the pin or triangular plate on a sundial which causes a shadow to be cast by the sun onto the graduated dial. Originally the term was applied to structures erected perpendicularly to the horizon, from whose shadow the altitudes, declinations, etc, of the sun and stars may be determined. The gnomon was usually a pillar or column or pyram...
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http://www.probertencyclopaedia.com/browse/AG.HTM
[
n] - indicator provided by the stationary arm whose shadow indicates the time on the sundial
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http://www.webdictionary.co.uk/definition.php?query=gnomon
gnomon 1. An object; such as, the style of a sundial, that projects a shadow used as an indicator. 2. The geometric figure that remains after a parallelogram has been removed from a similar but larger parallelogram with which it shares a corner.
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http://www.wordinfo.info/words/index/info/view_unit/929/3
noun indicator provided by the stationary arm whose shadow indicates the time on the sundial
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https://www.encyclo.co.uk/local/20974
the raised part of a sundial that casts the shadow; a style. See illus. under · an early astronomical instrument consisting of a vertical shaft, column, or the like, for determining the altitude of the sun or the latitude of a position by measuring the length of its shadow cast at noon. · (formerly) the part of a parallelogram that rem...
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https://www.infoplease.com/dictionary/gnomon
No exact match found.
