American English Dictionary

Definition of “gnomon”

gnomon (ˈnoʊˌmɑn Pronunciation for )

Definitions

noun

  1. a column or pin on a sundial, etc. that casts a shadow indicating the time of day
  2. the part of a parallelogram remaining after a similar, smaller parallelogram has been taken from one of its corners

Word Origin

L < Gr gnōmōn, one who knows or examines, index of a sundial < base of gignōskein, to know

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