Lexic.us

Definition of Magma

1. Noun. Molten rock in the earth's crust.

Definition of Magma

1. n. Any crude mixture of mineral or organic matters in the state of a thin paste.

Definition of Magma

1. Noun. (geology) The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc. ¹

2. Noun. (mathematics) A basic algebraic structure consisting of a set equipped with a single binary operation. ¹

¹ Source: wiktionary.com

Definition of Magma

1. the molten matter from which igneous rock is formed [n -MAS or -MATA] : MAGMATIC [adj]

Medical Definition of Magma

1. 1. Any crude mixture of mineral or organic matters in the state of a thin paste. 2. 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. A salve or confection of thick consistency. 3. The molten matter within the earth, the source of the material of lava flows, dikes of eruptive rocks, etc. The glassy base of an eruptive rock. 4. The amorphous or homogenous matrix or ground mass, as distinguished from well-defined crystals; as, the magma of porphyry. Origin: L, fr. Gr, fr. To squeeze, knead. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Magma

Literary usage of Magma

Below you will find example usage of this term as found in modern and/or classical literature:

1. Igneous Rocks: Composition, Texture and Classification, Description and by Joseph Paxson Iddings (1909)
"SOLUTION OF ROCK BY LIQUID magma In order that a rock which has become inclosed in liquid rock magma, or has become adjacent to a body of intruded magma, ..."

2. The Natural History of Igneous Rocks by Alfred Harker (1909)
"Crystallization in a ternary magma. Crystallization in a Binary magma.—Accepting the solution theory of rock-magmas as having at least established its claim ..."

3. The Valley of Ten Thousand Smokes by Robert Fiske Griggs (1922)
"The magma chamber giving rise to a sill must be of vastly greater proportions than its offshoot. Otherwise sufficient propulsive force to crowd the ..."

4. Tapping the Earths Natural Heat by Wendell A. Duffield, John H. Sass, Michael L. Sorey (1995)
"Ages of selected volcanic eruptions versus volumes of their associated magma bodies for several areas in the United States. magma, Volcanoes, and Geothermal ..."

5. Science by American Association for the Advancement of Science (1883)
"explained by the withdrawal of supporting magma. The rapid decline in seismic activity after 19 June may indicate bottoming on the floor of an irregular ..."

6. The Problem of Volcanism by Joseph Paxson Iddings (1914)
"remain fluid for great lengths of time, according to the volume of magma-afid- ... Into such a fracture magma may intrude itself for considerable distances ..."

7. The Problem of Volcanism by Joseph Paxson Iddings (1914)
"remain fluid for great lengths of time, according to the volume of magma and ... Into such a fracture magma may intrude itself for considerable distances ..."

Other Resources: