[mod. f. Gr. χρόν-ος time + -μετρία measurement: see -METRY.] The art or science of accurately measuring time.
1833. Sir J. Herschel, Astron., ii. 79. Chronometry … enables us to fix the moments in which phenomena occur, with the last degree of precision.
1851. D. Wilson, Preh. Ann. (1863), I. 6. The elements of a new historic chronometry.
1862. Smiles, Engineers, III. 446. Conversation … turned upon chronometry and horology.
b. Measurement of time.
1837. Murray, Vital Princ., 16. A compensation curb to regulate its chronometry.
1879. H. W. Warren, Recr. Astron., ii. 23. Is the celestial chronometry getting deranged?
