gnomonic

[noh-mon-ik]
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adjective

of or relating to a gnomon or to a sundial.
of or relating to the measurement of time by a gnomon or a sundial.
of, relating to, or noting a map projection in which all great circles are depicted as straight lines: a gnomonic chart.

Sometimes gno·mon·i·cal [noh-mon-i-kuh l] /noʊˈmɒn ɪ kəl/.

Origin of gnomonic

1595–1605; < Latin gnōmonicus “of, belonging to a gnomon” < Greek gnōmonikós. See gnomon, -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for gnomonic

Historical Examples of gnomonic