Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
sidelong
sideman
sidepiece
sider-
sidereal
sidereal day
sidereal hour
sidereal month
sidereal period
sidereal time
sidereal year
siderite
sidero-
sideroad
siderolite
siderophilin
siderosis
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

sidereal period
si·de·re·al pe·ri·od (plural si·de·re·al pe·ri·ods)


noun 
Definition:
 
orbit time measured relative to stars: the time taken for one astronomical body to orbit another measured relative to the stars
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft