gnomon


gnomon

gnomon [noh-mon] ExamplesWord Origin See more synonyms for gnomon on Thesaurus.com noun

  1. the raised part of a sundial that casts the shadow; a style.
  2. 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.
  3. Geometry. (formerly) the part of a parallelogram that remains after a similar parallelogram has been taken away from one of its corners.

Origin of gnomon 1540–50; Latin gnōmōn pin of a sundial Greek gnṓmōn literally, interpreter, discerner Related Words for gnomon dial, clock, watch, chronometer, calendar, chronograph, repeater, metronome, pendulum, horologe, chronoscope, gnomon, sundial, stopwatch, clepsydra, hourglass, time-keeper Examples from the Web for gnomon Historical Examples of gnomon

  • No doubt, however, it was a sun-dial, or gnomon of some kind.

    The Story of Eclipses

    George Chambers

  • There is therefore in every Parallelogramme a double Gnomon; as in these two examples.

    The Way To Geometry

    Peter Ramus

  • The Gnomon is any one of the Diagonall with the two complements.

    The Way To Geometry

    Peter Ramus

  • But I landed in the dark chamber of a Gnomon, waist-deep in loose wheat.

    Pharaoh’s Broker

    Ellsworth Douglass

  • I mounted the only unsealed Gnomon and shouted down into its cavernous depths.

    Pharaoh’s Broker

    Ellsworth Douglass

  • British Dictionary definitions for gnomon gnomon noun

    1. the stationary arm that projects the shadow on a sundial
    2. a geometric figure remaining after a parallelogram has been removed from one corner of a larger parallelogram

    Derived Formsgnomonic, adjectivegnomonically, adverbWord Origin for gnomon C16: from Latin, from Greek: interpreter, from gignōskein to know Word Origin and History for gnomon n.

    “vertical shaft that tells time by the shadow it casts” (especially the triangular plate on a sundial), 1540s, from Latin gnomon, from Greek gnomon “indicator,” literally “one who discerns,” from gignoskein “to come to know” (see gnostic (adj.)).

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