Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
only
onomasiology
onomastic
onomastics
onomatomania
onomatopoeia
onomatopoeic
Onondaga
Onondaga, Lake
onrush
onscreen
onset
onshore
onside
onside kick
onslaught
onstage
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

onto-
onto-


prefix 
Definition:
 
1. being, existence
ontology
2. organism
ontogeny
[< Greek ont-, present participle of einai "be" < Indo-European]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft