( a. )
Done or occurring in an instant, or without any perceptible duration of time; as, the passage of electricity appears to be instantaneous.
( a. )
Done or occurring in an instant, or without any perceptible duration of time; as, the passage of electricity appears to be instantaneous.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012