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Word: conchoidal (lookup usage) (lookup stats)


Meaning:

Adjective:

  • of minerals and rocks, such as flint having such a fracture.
  • of the fracture of minerals and rocks having smooth shell-shaped convex and concave surfaces.
  • mineralogy Describing a type of irregular fracture that occurs in materials with no natural plane of separation, such as flint.

Source: Wiktionary | Src Info »