You searched for: “horometries”
horometry (s) (noun), horometries (pl)
The art of the measurement of time: Jerry had to learn more about horometry in order to determine the exact errors of timepieces by observation so that he could repair old watches.
This entry is located in the following units: horo-, hour- (page 1) meter-, metro-, metr-, -metrical, -metrically, -metron, -metric, -metrist, -meter, -meters, -metry, -metre (page 18)