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sic (1)
Also available:
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sial
si·al
[
s àl
]
noun
Definition:
rock forming continents:
rocks rich in silicon and aluminum that form the crust of the continental masses
(
dated
)
[
Early 20th century. Blend of silicon + aluminum
]
si·al·ic
[
sī állik
]
adjective
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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