horology
/həˈrɒlədʒi/ · ho·rol·o·gy
noun
- The study of time and the art, science, and technology of timekeeping and timekeepers such as clocks, watches, and sundials. She pursued a career in horology, designing precision chronometers for marine navigation.
- The office‑book of the Greek Orthodox Church that records the canonical hours for daily prayers. The monk consulted the horology each morning to determine the proper time for Vespers.
Synonyms
Did you know? The word 'horology' also titles the liturgical book used by the Greek Orthodox Church to schedule the daily cycle of prayers, a usage that survives alongside its scientific meaning.