Advertisement
Advertisement
sial
[ sahy-al ]
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.
sial
/ ˈsaɪəl; saɪˈælɪk /
noun
- the silicon-rich and aluminium-rich rocks of the earth's continental upper crust, the most abundant individual rock being granite
Discover More
Derived Forms
- sialic, adjective
Discover More
Other Words From
- si·alic adjective
Discover More
Word History and Origins
Discover More
Word History and Origins
Origin of sial1
C20: si ( licon ) + al ( uminium )
Discover More
Example Sentences
During the Mutiny of 1857 the Sial leader again proved his loyalty by serving in person on the British side.
From Project Gutenberg
Sialogogue, sī-al′o-gog, n. a drug which increases the secretion of saliva—also Sial′agogue.
From Project Gutenberg
Advertisement
Advertisement
Advertisement
Advertisement
Browse