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1. (n.) gnomon
the raised part of a sundial that casts the shadow; a style.
2. gnomon
the part of a parallelogram that remains after a similar parallelogram has been taken away from one of its corners.
Etymology: (1540–50; < L gnōmōn pin of a sundial < Gk gnṒmōn lit., interpreter, discerner)
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| Definition of 'Gnomon' |
Princeton's WordNet |
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1. (noun) gnomon
indicator provided by the stationary arm whose shadow indicates the time on the sundial
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| Definition of 'Gnomon' |
Webster Dictionary |
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1. (noun) Gnomon
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. (noun) Gnomon
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. (noun) Gnomon
the space included between the boundary lines of two similar parallelograms, the one within the other, with an angle in common; as, the gnomon bcdefg of the parallelograms ac and af. The parallelogram bf is the complement of the parallelogram df
4. (noun) Gnomon
the index of the hour circle of a globe
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Definitions of Gnomon 
