A kalpa is a time unit and the term comes from hindi. A kalpa measures 4.32 billion years and is listed in the Guiness Book of World Records as the longest time unit in use.
by rincewind3 February 02, 2010
1. An indistinct measurement of time. One kalpa is the time that would elapse when one average-strengthed human with a silk cloth comes to rub a square-mile steel cube every solar earth year, turning it into a marble-sized ball.
by TheFez September 13, 2003