Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
chromosome map
chromosome number
chromosphere
chromous
Chron.
chron-
chron.
chronic
chronic daily headaches
chronic fatigue syndrome
chronic pain syndrome
chronic wasting disease
chronicle
Chronicles
chrono-
chronobiology
chronogram
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

chronon
chron·on [ krṓ nòn ] (plural chron·ons)


noun 
Definition:
 
very small unit of time: a unit of time equal to the time that it would take for a photon to cross the diameter of an electron, taken as approximately 10-24 seconds
[<chrono- + -on1]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft