MSN home
Mail
My MSN
encarta
greeting cards
encarta
®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
substitute goods
substitute-in-consumption goods
substitute-in-production goods
substitute teacher
substitution
substitution effect
substitutive
substrate
substratosphere
substratum
substructure
subsume
subsumption
subtangent
subtenant
subtend
subterfuge
Also available:
World English Dictionary
Dictionnaire Français
substratosphere
sub·strat·o·sphere
[
sub stráttə sfr
]
noun
Definition:
lowest region of Earth's atmosphere:
the lowest layer of the Earth's atmosphere, at a height of about 20 km (12 mi) above the Earth
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
MSN Privacy
Legal
Advertise
Feedback
Help
© 2009 Microsoft