chronometry noun.
[krǝ'nɒmɪtri] M19.[formed as CHRONOMETER + -METRY.](The science of) the accurate measurement of time.
■ chrono'metric,
■ chrono'metrical adjectives of or pertaining to chronometry; relating to the measurement of time:
M19. ■ chrono'metrically adverb M19. [TahlilGaran] English Dictionary ▲