gnomon

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gnomon

gno·mon

 (nō′mŏn′, -mən)
n.
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.

[Latin gnōmōn, from Greek, interpreter, pointer of a sundial, from gignōskein, to know; see gnō- in Indo-European roots.]

gno·mon′ic, gno·mon′i·cal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

gnomon

(ˈnəʊmɒn)
n
1. (Horology) the stationary arm that projects the shadow on a sundial
2. (Mathematics) a geometric figure remaining after a parallelogram has been removed from one corner of a larger parallelogram
[C16: from Latin, from Greek: interpreter, from gignōskein to know]
gnoˈmonic, gnoˈmonical adj
gnoˈmonically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

gno•mon

(ˈnoʊ mɒn)

n.
1. the raised part of a sundial that casts the shadow; a style.
2. the part of a parallelogram that remains after a similar parallelogram has been taken away from one of its corners.
[1540–50; < Latin gnōmōn pin of a sundial < Greek gnṓmōn literally, interpreter, discerner]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

gnomon

, gnomonics - A gnomon is the pillar or rod that casts a shadow on a sundial; gnomonics is the art or science of dialing or of constructing dials to show the hour of the day by the shadow of a gnomon.
See also related terms for pillar.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gnomon - indicator provided by the stationary arm whose shadow indicates the time on the sundialgnomon - indicator provided by the stationary arm whose shadow indicates the time on the sundial
indicator - a device for showing the operating condition of some system
sundial - timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
The square, for instance, if a gnomon is applied to it, undergoes increase but not alteration, and so it is with all other figures of this sort.
In the "Gnomoni" (Gnomons) series, 1975-86, the artist folds the sides of a rectangle, transforming the flat figure into a three-dimensional one.
It stands on a large threetiered stone base on top of which is a cylindrical pedestal with a sloped cap engraved with a time conversion table supporting a stone cube with cast-iron gnomons (the feature that casts the shadow) on each side.
Their location in a freely accessible public park dictated material choice to be as vandalproof as possible: Engraved polished granite for the sundial faces, gnomons as small as possible in stainless steel and explanatory plaques firmly epoxied onto a sandstone-dressed plinth that matches the style of the benches and other structures in the park.
(92.) Helmer Aslaksen, "Calendars, Interpolation, Gnomons and Armillary Spheres in the Work of Guo Shoujing (1231-1314)," Department of Mathematics, National Univ.
The shadows thus perform a similar effect as the gnomons from the poem's first section: "Shape without form, shade without colour, / Paralysed force, gesture without motion" (56).
Not as obvious will be the sundial created by lampposts serving as gnomons, casting shadows against the parking lot's markings.
On the grounds of Culzean Castle in South Ayrshire, the Lectern Dial has 51 reading surfaces served by 49 gnomons. Visitors to Wimbleton can see a colorful dial on the curved facade of the Argos store, with 13 stainless-steel hour markers shaped like daggers.
You might recall how the numbers build up (the gnomons were the counting numbers) so that each triangular number is the sum of so many counting numbers.
Help your students point their gnomons to the north.