A₁T₁T₁O₁S₁E₁C₃O₁N₁D₂

13 points

ATTOSECOND is validvalid

one short scale quintillionth of a second [n ATTOSECONDS]

121,455 of 196,601 in NWL2023·also valid in CSW24

ten to the power of minus eighteen seconds [n -S]

14,636 of 280,887 in CSW24·also valid in NWL2023