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quadratic. In DICTIOUS you will not only get to know all the dictionary meanings for the word
quadratic, but we will also tell you about its etymology, its characteristics and you will know how to say
quadratic in singular and plural. Everything you need to know about the word
quadratic you have here. The definition of the word
quadratic will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
quadratic, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Etymology
From French quadratique (1765), from Latin quadrātus + -ique[1] (English -ic), form of quadrō (“I make square”), from quādrus (“square”), ultimately from Proto-Indo-European *kʷetwóres (“four”), whence also Latin quartus (“fourth”).
Pronunciation
- IPA(key): /kwɒdˈɹætɪk/, /kwəˈdɹætɪk/
Adjective
quadratic (not comparable)
- Square-shaped.
- (mathematics) Of a polynomial, equation or function, second-degree: involving the second power (square) of a variable but no higher powers, as .
Translations
Noun
quadratic (plural quadratics)
- (mathematics) A quadratic polynomial, function or equation.
Translations
Usage notes
Not to be confused with quartic (“degree four”). Both derive ultimately from Proto-Indo-European *kʷetwóres (“four”), with quadratic coming from “four-sided”, hence “square, two-dimensional, degree two”.
Derived terms
See also
References
Further reading
- “quadratic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
- “quadratic”, in The Century Dictionary , New York, N.Y.: The Century Co., 1911, →OCLC.
- “quadratic”, in OneLook Dictionary Search.