Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
quadric
quadricentennial
quadriceps
quadriga
quadrilateral
quadrilateral meeting
quadrille (1)
quadrille (2)
quadrillion
quadripartite
quadriphonic
quadriplegia
quadriplex
quadrisect
quadrivalent
quadrivial
quadrivium
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