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单词 magma
释义 magma
 —magmatic /mag mat"ik/,  adj.   —magmatism,  n.  
 /mag"meuh/,  n.  ,  pl.   magmas, magmata /-meuh teuh/.
  1.  Geol.   molten material beneath or within the earth's crust, from which igneous rock is formed.
  2. any crude mixture of finely divided mineral or organic matter.
  3.  Chem.  ,  Pharm.   a paste composed of solid and liquid matter.
 [1400-50; late ME < L: dregs, leavings < Gk mágma kneaded mass, salve, equiv. to mag- (base of mássein to knead, press; see MASS) + -ma n. suffix of result]
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