GNOMON
\nˈɒmən], \nˈɒmən], \n_ˈɒ_m_ə_n]\
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The style or pin, which by its shadow, shows the hour of the day. It is usually set parallel to the earth's axis.
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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.
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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.
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The index of the hour circle of a globe.
By Oddity Software
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The style or pin, which by its shadow, shows the hour of the day. It is usually set parallel to the earth's axis.
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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.
-
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.
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The index of the hour circle of a globe.
By Noah Webster.
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The pin of a dial, whose shadow points to the hour: the index of the hour-circle of a globe: (geom.) a parallelogram minus one of the parallelograms about its diagonal.
By Daniel Lyons
Word of the day
ma'trix of the vertebrae
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