quadratic

definition: of or relating to the second power
example: quadratic equation
speech part: adjective
synonyms:
definition: of or relating to or resembling a square
example: quadratic shapes
speech part: adjective
synonyms:
definition: a polynomial of the second degree
example:
speech part: noun
synonyms: quadratic polynomial
definition: an equation in which the highest power of an unknown quantity is a square
example:
speech part: noun
synonyms: quadratic equation

How quadratic is being used?