quadricriticoid

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English[edit]

Etymology[edit]

quadri- +‎ criticoid

Noun[edit]

quadricriticoid (plural quadricriticoids)

  1. (mathematics, obsolete) A quadratic criticoid.
    • 1864, James Cockle, Mathematical Researches, page 115:
      I retain the word quantoid to signify the sinister of a linear differential equation whereof the dexter is zero; and that a general quantoid has a quadricriticoid and a cubicriticoid I have already shown.
    • 1881, The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science:
      The form of the quadricriticoid s does not vary with the order of the equation.
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