from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The art of designing and constructing sundials
from the GNU version of the Collaborative International Dictionary of English
- n. The art or science of dialing, or of constructing dials to show the hour of the day by the shadow of a gnomon.
from The Century Dictionary and Cyclopedia
- n. The art or science of dialing, or of constructing instruments to show the hour of the day or to aid in making astronomical observations by the shadow of a gnomon.
Sorry, no etymologies found.
The Temple or Tower of the Winds, has been very justly termed "the most curious existing monument of the practical gnomonics of antiquity."
Before clocks were invented, people told the time by sun-dials, and there was a whole science of sun-dials, called gnomonics.
There he lived for fourteen years, engaged in mathematics and in physical experiments, and publishing his work on gnomonics and perspective.
Holywood), and a dissertation upon the astrolabe; the fourth contains what was up to that time the most detailed and copious discussion of gnomonics, i.e. the art of constructing all possible sun-dials; finally, the fifth contains the best and most fundamental exposition of the reform of the calendar accomplished under Gregory XIII.