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subaltern
subalternate
subantarctic
subapical
subapostolic
subaqua
subaquatic
subaqueous
subarachnoid
subarctic
subatomic
subaudition
subaxillary
subbase
subbituminous
subcaliber
subcartilaginous
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subarachnoid
sub·a·rach·noid [ sùbbə rák nòyd ]


adjective 
Definition:
 
under brain's middle membrane: situated beneath the middle of the three membranes arachnoids that cover the brain and spinal cord
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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