HOROLOGY
horology
(noun) the art of designing and making clocks
Source: WordNet® 3.1
Etymology
Noun
horology (usually uncountable, plural horologies)
The study of time, and the art, science and technology of timekeeping and timekeepers (such as clocks, watches and sundials).
(Christianity) The office-book of the Greek Church for the canonical hours.
Coordinate terms
• chronology
Source: Wiktionary
Ho*rol"o*gy, n. Etym: [See Horologe.]
Definition: The science of measuring time, or the principles and art of
constructing instruments for measuring and indicating portions of
time, as clocks, watches, dials, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition