As an adjective pial
is of or pertaining to the pia or pia mater.
As a noun sial is
(geology).
pial
English
Adjective
(
en adjective)
Of or pertaining to the pia or pia mater
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sial
Alternative forms
* SiAl
Noun
(-)
(geology) The rocks rich in silicon and aluminum that form the upper layer of the earth's crust, which lies beneath all continental landmasses.
See also
* sima
* nife
* KREEP
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