Meaning of Twelfth-second

English Translation from English to English dictionary online for the word Twelfth-second

1. 1
   n.

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

2. 2
   n.

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