D defs.my
Entry 1 sense Webster, 1913

Gnomonics

· Gno·mon·ics · IPA /nəʊˈmɒnɪks/
01 n. The art or science of dialing, or of constructing dials to show the hour of the day by the shadow of a gnomon.
  1. 1.
    The art or science of dialing, or of constructing dials to show the hour of the day by the shadow of a gnomon.