(Gnom"ic*al), a. [See Gnomon.] Gnomonical. Boyle.
(Gnom"ic*al*ly), adv. In a gnomic, didactic, or sententious manner.
(Gno`mo*log"ic Gno`mo*log"ic*al) a. Pertaining to, of the nature of, or resembling, a gnomology.
(Gno*mol"o*gy) n. [Gr. judgment, maxim + discourse: cf. F. gnomologie.] A collection of,
or a treatise on, maxims, grave sentences, or reflections. [Obs.] Milton.
(Gno"mon) n. [L. gnomon, Gr. one that knows, the index of a sundial. See Gnome.]
1. (Dialing) The style or pin, which by its shadow, shows the hour of the day. It is usually set parallel to
the earth's axis.
2. (Astron.) A style or column erected perpendicularly to the horizon, formerly used in astronomocal
observations. Its principal use was to find the altitude of the sun by measuring the length of its shadow.
3. (Geom.) The space included between the boundary lines of two similar parallelograms, the one
within the other, with an angle in common; as, the gnomon bcdefg of the parallelograms ac and af.
The parallelogram bf is the complement of the parallelogram df.
4. The index of the hour circle of a globe.
Gnomonic projection, a projection of the circles of the sphere, in which the point of sight is taken at
the center of the sphere, and the principal plane is tangent to the surface of the sphere. "The gnomonic
projection derives its name from the connection between the methods of describing it and those for the
construction of a gnomon or dial." Cyc. of Arts & Sciences.
(Gno*mon"ic Gno*mon"ic*al) a. [L. gnomonicus, Gr. : cf. F. gnomonique. See Gnomon.]
Of or pertaining to the gnomon, or the art of dialing.
(Gno*mon"ic*al*ly) adv. According to the principles of the gnomonic projection.
(Gno*mon"ics) n. [See Gnomonic.] The art or science of dialing, or of constructing dials
to show the hour of the day by the shadow of a gnomon.
(Gno"mon*ist) n. One skilled in gnomonics. Boyle.
(Gno`mon*ol"o*gy) n. [Gnomon + -logy. Cf. Gnomonology.] A treatise on gnomonics.
(Gnos"co*pine) n. [Gr. gignw`skein to know + E. opium?] (Chem.) An alkaloid existing
in small quantities in opium.
(||Gno"sis) n. [NL., fr. Gr. gnw^sis.] (Metaph.) The deeper wisdom; knowledge of spiritual
truth, such as was claimed by the Gnostics.