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单词 sima
释义

sima


si·ma

C0838400 (sī′mə)n. The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.
[si(lica) + ma(gnesium).]

sima

(ˈsaɪmə) n1. (Geological Science) the silicon-rich and magnesium-rich rocks of the earth's oceanic crust, the most abundant individual rock being basalt2. (Geological Science) the earth's continental lower crust, probably comprised of gabbro rather than basalt[C20: from si(lica) + ma(gnesia)] simatic adj
Thesaurus
Noun1.sima - rock that form the continuous lower layer of the earth's crustsima - rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesiumcrust, Earth's crust - the outer layer of the Earthrock, stone - material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"
Translations

sima


sima

[′sī·mə] (petrology) A petrologic term for the lower layer of the earth's crust, composed of silica- and magnesia-rich rocks; source of basaltic magma; sima is equivalent to the lower part of the continental crust and the bulk of the oceanic crust. Also known as intermediate layer.

cyma, cima

A molding having a profile of double curvature; one having an ogee profile.

SIMA


AcronymDefinition
SIMA➣Special Import Measures Act (Canadian customs)
SIMA➣Shore Intermediate Maintenance Activity (US Navy)
SIMA➣Snow and Ice Management Association
SIMA➣Steel Import Monitoring and Analysis
SIMA➣Systemwide Initiative on Malaria and Agriculture
SIMA➣Workshop on Situation Management (IEEE)
SIMA➣Ship Intermediate Maintenance Activity
SIMA➣Strain Induced Melt Activation
SIMA➣Silica and Magnesia (earth's crust lower shell)
SIMA➣Systems Integration & Management Activity
SIMA➣System Integration for Manufacturing Applications
SIMA➣Small Incremental Motion Actuator
SIMA➣Secure Infrastructure Management Architecture
SIMA➣Selected Intermediate Maintenance Activity

sima


Related to sima: SEMA, Sima Qian
  • noun

Words related to sima

noun rock that form the continuous lower layer of the earth's crust

Related Words

  • crust
  • Earth's crust
  • rock
  • stone
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更新时间:2026/9/26 7:19:39