Similar words: quadrate, quadrant, quadrangle, quadruped, quadruplet, quadrille, quadruple, quadrilateral. Meaning: [kwɑ'drætɪk /kwɒ-] 
n. 1. an equation in which the highest power of an unknown quantity is a square 2. a polynomial of the second degree. adj. 1. of or relating to or resembling a square 2. of or relating to the second power.
n. 1. an equation in which the highest power of an unknown quantity is a square 2. a polynomial of the second degree. adj. 1. of or relating to or resembling a square 2. of or relating to the second power. 
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More similar words: quadrate, quadrant, quadrangle, quadruped, quadruplet, quadrille, quadruple, quadrilateral, dramatic, aquatic, dehydration, dramatically, melodramatic, erratic, hieratic, squad, piratical, democratic, autocratic, erratically, aristocratic, bureaucratic, vice squad, idiosyncratic, democratically, firing squad, democratic party, vertical integration, articles of confederation, hydrate.