semidefinite

English

Etymology

semi- +‎ definite

Adjective

semidefinite (not comparable)

  1. Not entirely definite; somewhat vague or undefined.
    • 1962, Bruno Klopfer, Helen Hiller Davidson, The Rorschach Technique: An Introductory Manual, page 99:
      Coral rock has only a semidefinite shape.
  2. (mathematics) Describing a bilinear form, over a vector space, that is either always positive or always negative.
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