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sima

1 American  
[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.


sima 2 American  
[sahy-muh] / ˈsaɪ mə /

noun

Architecture.
  1. the uppermost member of a full classical order, usually a cyma recta, representing a roof gutter; cymatium.


sima British  
/ saɪˈmætɪk, 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

"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

Other Word Forms

  • simatic adjective

Etymology

Origin of sima1

< German (1909), equivalent to Latin si ( licium ) silicium + ma ( gnesium ) magnesium

Origin of sima2

Variant of cyma

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The staple food is "sima", a maize flour mixed with water.

From BBC

“Mar�a pur�sima,” he exclaimed, “you cannot mean, se�orita, that you, all alone, will deliver the City of Mexico into our hands?”

From Project Gutenberg

Maria Sant�sima; look at my poor brother all alone without the power to speak or rise!

From Project Gutenberg

I refer to the colored regiments, who occupied the right and left flanks of us at Gu�simas, the Ninth and Tenth cavalry regiments.

From Project Gutenberg

This sima is sometimes continued along the long sides of the building, and sometimes not.

From Project Gutenberg