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magma    音标拼音: [m'ægmə]
n. 岩浆,糊剂,糊

岩浆,糊剂,糊

magma
n 1: molten rock in the earth's crust

Magma \Mag"ma\, n. [L., fr. Gr. ?, fr. ? to squeeze, knead.]
1. Any crude mixture of mineral or organic matters in the
state of a thin paste. --Ure.
[1913 Webster]

2. (Med.)
(a) A thick residuum obtained from certain substances
after the fluid parts are expressed from them; the
grounds which remain after treating a substance with
any menstruum, as water or alcohol.
(b) A salve or confection of thick consistency.
--Dunglison.
[1913 Webster]

3. (Geol.)
(a) The molten matter within the earth, the source of the
material of lava flows, dikes of eruptive rocks, etc.
(b) The glassy base of an eruptive rock.
[1913 Webster]

4. (Chem.) The amorphous or homogenous matrix or ground mass,
as distinguished from well-defined crystals; as, the magma
of porphyry.
[1913 Webster] Magna Carta

A program used for heavy duty
algebraic computation in many branches of mathematics. Magma,
developed by John Cannon and associates at the University of
Sydney, succeeded {Cayley}. It runs at several hundred sites.

E-mail: .

{(http://maths.usyd.edu.au:8000/u/magma/)}.

[W. Bosma, J. Cannon and C. Playoust, The Magma algebra system
I: The user language, J. Symb. Comp., 24, 3/4, 1997, 235-265].

(2000-12-21)

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  • Draw, Collaborate Create with Artists Around the World | Magma
    Magma is where artists draw, collaborate, and grow together Join shared canvases, follow favorite creators, and take part in live Art Jams Whether you draw, share, or simply watch the magic unfold—Magma turns art into a multiplayer experience
  • Magma - Wikipedia
    Magma can be found in the mantle or molten crust Magma (from Ancient Greek μάγμα (mágma) ' thick unguent ') [1] is the molten or semi-molten natural material from which all igneous rocks are formed [2]
  • Magma | Components, Types, Facts | Britannica
    magma, molten or partially molten rock from which igneous rocks form It usually consists of silicate liquid, although carbonate and sulfide melts occur as well Magma migrates either at depth or to Earth’s surface and is ejected as lava
  • Magma – an overview | components, properties and origin
    Magma is naturally occurring molten or semi-molten rock material, generated within the Earth from which igneous rocks are derived through solidification and related processes Magma is found beneath the surface of the Earth
  • What is Magma? - WorldAtlas
    Magma is a mixture of molten and semi-molten rocks, crystallized minerals, solids, and dissolved gases Magma is found below the surface of the earth Researchers also believe that magma exists on other terrestrial planets in and beyond our solar system
  • Magma - National Geographic Society
    Magma is extremely hot liquid and semi-liquid rock located under Earth’s surface Earth has a layered structure that consists of the inner core , outer core , mantle , and crust Much of the planet’s mantle consists of magma
  • Magma: Characteristics, Types, Sources, and Evolution of . . .
    Magma is molten or semi-molten rock beneath the Earth's surface It forms when rocks melt due to the high temperatures and pressures found deep within the Earth Magma is less dense than the surrounding solid rock, so it rises to the surface, where it can erupt from volcanoes as lava





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