Share this entry
quadratic Syllabification: quad·rat·ic
Pronunciation: /kwäˈdradik/

Definition of quadratic in English:


Involving the second and no higher power of an unknown quantity or variable: a quadratic equation
More example sentences
  • In 1826 Cauchy, in the context of quadratic forms in n variables, used the term ‘tableau’ for the matrix of coefficients.
  • If f = 0, then the quartic in y is actually a quadratic equation in the variable y 2.
  • Smith also extended Gauss's theorem on real quadratic forms to complex quadratic forms.


Back to top  
A quadratic equation.
Example sentences
  • Historically, imaginary numbers first came to light when trying to solve cubic equations, rather than quadratics.
  • The sparseness of the quadratics is what is important here.
  • This is certainly possible and the Babylonians' understanding of quadratics adds some weight to the claim.


Mid 17th century: from French quadratique or modern Latin quadraticus, from quadratus 'made square', past participle of quadrare (see quadrate).

Words that rhyme with quadratic

achromatic, acrobatic, Adriatic, aerobatic, anagrammatic, aquatic, aristocratic, aromatic, asthmatic, athematic, attic, autocratic, automatic, axiomatic, bureaucratic, charismatic, chromatic, cinematic, climatic, dalmatic, democratic, diagrammatic, diaphragmatic, diplomatic, dogmatic, dramatic, ecstatic, emblematic, emphatic, enigmatic, epigrammatic, erratic, fanatic, hepatic, hieratic, hydrostatic, hypostatic, idiomatic, idiosyncratic, isochromatic, lymphatic, melodramatic, meritocratic, miasmatic, monochromatic, monocratic, monogrammatic, numismatic, operatic, panchromatic, pancreatic, paradigmatic, phlegmatic, photostatic, piratic, plutocratic, pneumatic, polychromatic, pragmatic, prelatic, prismatic, problematic, programmatic, psychosomatic, rheumatic, schematic, schismatic, sciatic, semi-automatic, Socratic, somatic, static, stigmatic, sub-aquatic, sylvatic, symptomatic, systematic, technocratic, thematic, theocratic, thermostatic, traumatic
Definition of quadratic in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources