Sometimes gno·mon·i·cal [noh-mon-i-kuh l] /noʊˈmɒn ɪ kəl/.
Origin of gnomonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for gnomonic
Another kind of projection in common use is the “gnomonic projection” (fig. 12).
Gnomonic and conical projections are also used for the polar charts, differing little from the foregoing for moderate areas.
A modified or composite course can readily be laid out on a gnomonic chart.
The distortion, however, is necessarily enormous when the celestial sphere is presented in only six gnomonic maps.Half-hours with the Telescope
Richard A. Proctor