Semidefinite

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Not entirely definite; somewhat vague or undefined. not-comparable

    "Coral rock has only a semidefinite shape."

  2. 2
    Describing a bilinear form, over a vector space, that is either always positive or always negative. not-comparable

Example

More examples

"A diagonal matrix is positive semidefinite if and only if all of its elements are nonnegative."

Etymology

From semi- + definite.

Related phrases

bilinear formvector space

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.