Noun Acumination Definition and Examples







A pointed or tapering part; (Mineralogy) †a part of a crystal regarded as notionally resulting from acumination (obsolete). Now chiefly Botany and Zoology.
    The action of giving a point to something or bringing something to a point (chiefly figurative); (Mineralogy) †the notional replacement of an angle or plane of a crystal by three or more planes meeting in a point (obsolete).
      ((n.) A sharpening; termination in a sharp point; a tapering point.)

      Mid 17th century. From post-classical Latin acumination-, acuminatio action of sharpening, sharpness, pointedness from acuminat-, past participial stem of acuminare to sharpen + classical Latin -iō.

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