si·ma

(sī′mə)

The lower layer of the earth's outer crust that underlies the sial and is rich in silica, iron, and magnesium.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sima

(ˈsaɪmə)

1. (Geological Science) the silicon-rich and magnesium-rich rocks of the earth's oceanic crust, the most abundant individual rock being basalt

2. (Geological Science) the earth's continental lower crust, probably comprised of gabbro rather than basalt

[C20: from si(lica) + ma(gnesia)]

simatic adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

sima - rock that form the continuous lower layer of the earth's crust; rich in silicon and magnesium

crust, Earth's crust - the outer layer of the Earth

rock, 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

[ˈsaɪmə] n (Geol) → sima m

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

Mentioned in

References in classic literature

They were clad in brilliantly-painted cloths, and the soldiers were armed with the saw-toothed war-club, the bow and arrows barbed and poisoned with the juice of the euphorbium, the cutlass, the "sima," a long sabre (also with saw-like teeth), and some small battle-axes.

View in context

Sima de los Huesos is a cave site in Atapuerca Mountains, Spain, where archaeologists have recovered fossils of almost 30 people.

When Neanderthals and Modern Humans Diverged

But she found strong similarities between the Sima hominins' teeth and those of Neanderthals, which meant they could only have existed after the long-held date of divergence.

Modern humans diverged from Neanderthals much sooner than believed: study

"From dustings to Nor'Easters, our team is prepared thanks to SIMA's expert training.

Success in Snow: Vision Contracting & Supply Becomes SIMA Member

The Sima Miracle exhibition will be on display at Ramada Ajman's lobby until July 27, 2018.

UAE-based artist displays art exhibit at Ramada Ajman

Speaking on the occasion, Sima Kamil, President and CEO UBL said, "UBL's new Regional Office building is a dynamic symbol of the Bank's continuing legacy that inspires confidence and trust.

New UBL Regional Office Opens in Lahore

Speaking on the occasion, Sima Kamil, President and CEO UBL, said, 'UBL's new regional office building is a dynamic symbol of the Bank's continuing legacy that inspires confidence and trust.

UBL's new regional office in Lahore inaugurated

The expo also hosts a program titled "Syrian Investing Child" sponsored by SIMA in cooperation with Al-Baath Vanguards organization for introducing children to future career prospects.

Technobuild 4 expo for construction technologies kicks off with the participation of 45 companies

SIMA offers a full range of options for the adrenaline lover on your list, including a drop-by experience in speedy recreation karts that zoom up to 45 mph just inches off the ground, or powerful 125cc 2-Cycle racing machines, and a competitive driving school that some use as a stepping stone to Formula-1.

Give a local experience gift this holiday

Scholars offer new perspectives on the Shiji, a Western Han Chinese history of the world by father Sima Tan (d.

Views From Within, Views From Beyond: Approaches to the Shiji as an Early Work of Historiography

Le Salon international de l'elevage, de l'agroalimentaire et de l'equipement (Sipsa) a signe une convention de partenariat avec Sima France, lui aussi grand organisateur de pareilles manifestations a l'international, avec pour objectif d'avoir davantage d'audience.

Le Sipsa se lie au Sima France