gnomonics
definition
the art and science of designing and using sundials
example
The ancient Greeks were pioneers in gnomonics, creating intricate sundials that allowed them to tell time using the position of the sun.
synonyms
sundial design,sundial making,gnomonic art
word origin — from Greek 'gnomon', meaning 'that which reveals' or 'one that knows', and '-ics' denoting a field of study