yottasecond noun1 •An SI unit of time equal to 10²⁴ seconds. Symbol: Ys. (= quadrillions of years, a hypothetical time span that is meaningless except in speculative contexts such as theoretical physics, philosophy, religion, and humorous hyperbole)Trades Descriptions Act... "always on" presumably means 100.00 % uptime for the rest of infinity with nary a yottasecond's downtime. — 2000 formsyottaseconds
