˜yÐÄvlog

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sial

[ sahy-al ]

noun

Geology.
  1. the assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the earth's crust.


sial

/ ˈsaɪəl; saɪˈælɪk /

noun

  1. the silicon-rich and aluminium-rich rocks of the earth's continental upper crust, the most abundant individual rock being granite
“Collins English Dictionary — Complete & Unabridged†2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • sialic, adjective
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Other ˜yÐÄvlog Forms

  • ²õ¾±Â·²¹±ôi³¦ adjective
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˜yÐÄvlog History and Origins

Origin of sial1

1920–25; < German, equivalent to Si ( licium ) silicium + Al ( uminium ) aluminum
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˜yÐÄvlog History and Origins

Origin of sial1

C20: si ( licon ) + al ( uminium )
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Example Sentences

Examples have not been reviewed.

He loved controver- sial reporting, and this had the makings of .

From

Why not usia and homo�sial, as well as hypostasis, hypostatic, homogeneous, heterogeneous, and the like;—or as Baptism, Eucharist, Liturgy, Epiphany and the rest?

From

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