Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
quadrivium
quadroon
quadrophonic
quadru-
quadrumanous
quadrumvirate
quadruped
quadruple
quadruple scull
quadruplet
quadruplex
quadruplicate
quadrupole
quaere
quaestor
quaff
quag
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

quadrillion
quad·ril·lion [ kwo dríllyən ] (plural quad·ril·lions or quad·ril·lion)


noun 
Definition:
 
1. one followed by 15 zeros: the number equal to 1015, written as 1 followed by 15 zeros
2. U.K. one followed by 24 zeros: the number equal to 1024, written as 1 followed by 24 zeros ( dated )

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

quad·ril·lion adjective, pron
quad·ril·lionth adjective, noun
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft