Horology

[hɒ'rɒlədʒɪ] or [hə'rɑlədʒi]

解释:

(noun.) the art of designing and making clocks.

埃德蒙手打--From WordNet

解释:

(n.) 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.

手打:卡尔