Defective
Encyclopedia
Defective may refer to::
  • Defective matrix
    Defective matrix
    In linear algebra, a defective matrix is a square matrix that does not have a complete basis of eigenvectors, and is therefore not diagonalizable. In particular, an n × n matrix is defective if and only if it does not have n linearly independent eigenvectors...

    , in algebra
  • Defective verb
    Defective verb
    In linguistics, a defective verb is a verb which is missing e.g. a past tense, or cannot be used in some other way that normal verbs come. Formally, it is a verb with an incomplete conjugation. Defective verbs cannot be conjugated in certain tenses, aspects, or moods.-Arabic:In Arabic, defective...

    , in linguistics
  • Defective, or haser, in Hebrew orthography, a spelling variant that does not include mater lectionis
    Mater lectionis
    In the spelling of Hebrew and some other Semitic languages, matres lectionis , refers to the use of certain consonants to indicate a vowel. The letters that do this in Hebrew are aleph, he, waw and yod...

  • Something presenting an anomaly making it unfunctional
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