Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
parulis
parure
Parvati
parve
parvenu
parvis
parvo
parvovirus
pas
pas de deux
pas op
pas seul
Pasadena
Pascagoula
Pascal
pascal
Pascal’s law
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

parton
par·ton [ pr tòn ] (plural par·tons)


noun 
Definition:
 
postulated elementary particle: a postulated elementary particle, proposed as a constituent of neutrons and protons
[Mid-20th century. <particle]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft