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sial
si·al
/
ˈsaɪ
æl
/
Show Spelled
[
sahy
-al
]
Show IPA
noun
Geology
.
the assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the earth's crust.
Compare
sima
1
.
Origin:
1920–25;
<
German,
equivalent to
Si
(
licium
)
silicium
+
Al
(
uminium
)
aluminum
Related forms
si·al·ic,
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
|
Link To
sial
Collins
World English Dictionary
sial
(ˈsaɪəl)
—
n
the silicon-rich and aluminium-rich rocks of the earth's continental upper crust, the most abundant individual rock being granite
[C20:
si
(
licon
) +
al
(
uminium
)]
sialic
—
adj
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Relevant Questions
What Is Sialo?
What Is Am·bro·sial?
What Is Sialo?
What Is Am·bro·sial?
00:10
Sial
is always a great word to know.
So is
ort
. Does it mean:
So is
gobo
. Does it mean:
So is
slumgullion
. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a scrap or morsel of food left at a meal.
a fool or simpleton; ninny.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a stew of meat, vegetables, potatoes, etc.
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