follow Dictionary.com

11 Trending Words of 2014

sima1

[sahy-muh] /ˈsaɪ mə/
noun, Geology
1.
an assemblage of rocks, rich in silica and magnesium, that constitutes the lower layer of the earth's crust and is found beneath the ocean floors and the sial of continents.
Origin
< German (1909), equivalent to Latin si(licium) silicium + ma(gnesium) magnesium
Related forms
simatic
[sahy-mat-ik] /saɪˈmæt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for simatic

sima

/ˈsaɪmə/
noun
1.
the silicon-rich and magnesium-rich rocks of the earth's oceanic crust, the most abundant individual rock being basalt
2.
the earth's continental lower crust, probably comprised of gabbro rather than basalt
Derived Forms
simatic (saɪˈmætɪk) adjective
Word Origin
C20: from si(lica) + ma(gnesia)
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
Cite This Source

Word of the Day

Difficulty index for sima

Some English speakers likely know this word

Word Value for simatic

0
0
Scrabble Words With Friends

Nearby words for simatic