Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
Zenker’s degeneration
zeolite
Zepa
Zephaniah
zephyr
zephyr lily
Zephyrus
zeppelin
zepto-
zeptosecond
Zermatt
zero
zero-balance account
zero-base
zero-coupon
zero-defect
zero elasticity
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

zepto-
zepto-


prefix 
Definition:
 
indicates 10-21 in measurements
zeptosecond
[Late 20th century. After septi-]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft