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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
SIMASpecial Import Measures Act (Canadian customs)
SIMAShore Intermediate Maintenance Activity (US Navy)
SIMASnow and Ice Management Association
SIMASteel Import Monitoring and Analysis
SIMASystemwide Initiative on Malaria and Agriculture
SIMAWorkshop on Situation Management (IEEE)
SIMAShip Intermediate Maintenance Activity
SIMAStrain Induced Melt Activation
SIMASilica and Magnesia (earth's crust lower shell)
SIMASystems Integration & Management Activity
SIMASystem Integration for Manufacturing Applications
SIMASmall Incremental Motion Actuator
SIMASecure Infrastructure Management Architecture
SIMASelected 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:2025/3/4 2:39:43