单词 | magma |
释义 | magma/ˈmaɡmə![]() noun (plural magmas or magmata /ˈmaɡmətə/) [mass noun] Hot fluid or semi-fluid material below or within the earth’s crust from which lava and other igneous rock is formed on cooling: when red-hot magma comes into contact with seawater, an explosion results [count noun]: basaltic magmas are normally expelled at the surface in a very hot and fluid state...
Derivativesmagmatic![]()
OriginLate Middle English (in the sense 'residue of dregs after evaporation or pressing of a semi-liquid substance'): via Latin from Greek magma (from massein 'knead'). |
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