مـﮩا پرلي महाप्रलय mahā-pralai S or -pralaya, s. m. 1. A destruction of the world, occurring after every period of 4,320,000,000 years. 2. A total destruction of the universe, happening after a period commensurate with the life of Brahmā, or 100 years, each day of which is equal to the period first stated, and each night of which is of similar duration; at the expira- tion of this term, the seven Lokas or divisions of the universe, with the saints, gods and Brah- mā himself, are annihilated.