Bible Dictionaries
Twelfth-Second

Webster's Dictionary

(n.) A unit for the measurement of small intervals of time, such that 1012 (ten trillion) of these units make one second.

Bibliography Information
Webster, Noah. Entry for 'Twelfth-Second'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/twelfth-second.html. 1828.