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gnomon
g n o m o n hex:#103;#110;#111;#109;#111;#110;
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- Gnomon - 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.
- Gnomon - 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 measuring the length of its shadow.
- Gnomon - n. - 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.
- Gnomon - n. - The index of the hour circle of a globe.
- Gnomonic - a. - Alt. of Gnomonical
- Gnomonical - a. - Of or pertaining to the gnomon, or the art of dialing.
- Gnomonically - adv. - According to the principles of the gnomonic projection.
- Gnomonics - n. - The art or science of dialing, or of constructing dials to show the hour of the day by the shadow of a gnomon.
- Gnomonist - n. - One skilled in gnomonics.
- Gnomonology - n. - A treatise on gnomonics.
- Gnomon - n. - 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.
- Dial - n. - An instrument, formerly much used for showing the time of day from the shadow of a style or gnomon on a graduated arc or surface; esp., a sundial; but there are lunar and astral dials. The style or gnomon is usually parallel to the earth's axis, but the dial plate may be either horizontal or vertical.
- Cock - n. - The style of gnomon of a dial.
- Node - n. - A hole in the gnomon of a dial, through which passes the ray of light which marks the hour of the day, the parallels of the sun's declination, his place in the ecliptic, etc.