quadrillion definition - Dictionaries

Dictionary

quadrillion [ kwo drílli ən ] (plural quadrillions or quadrillion)

noun

Definition:

1. one followed by 15 zeros: the number equal to 10¹⁵, written as 1 followed by 15 zeros

2. one followed by 24 zeros: the number equal to 10²⁴, written as 1 followed by 24 zeros ( dated )

[Late 17th century. <quadri-, after billion]

quadrillion adjective, pron

quadrillionth adjective, noun