amorphism
  無形狀,無定形,無晶形
  A·mor·phism n.  A state of being amorphous; esp. a state of being without crystallization even in the minutest particles, as in glass, opal, etc.
  Note: There are stony substances which, when fused, may cool as glass or as stone; the glass state is spoken of as a state of amorphism.
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