quadratic
English
editPrevious: | linear |
---|---|
Next: | cubic |
Alternative forms
edit- quadratick (obsolete)
Etymology
editFrom 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
edit- IPA(key): /kwɒdˈɹætɪk/, /kwəˈdɹætɪk/
Audio (Southern England): (file)
Adjective
editquadratic (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
editof a class of polynomial of the form y = ax² + bx + c
|
Noun
editquadratic (plural quadratics)
- (mathematics) A quadratic polynomial, function or equation.
Translations
editquadratic polynomial
|
Usage notes
editNot 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
editRelated terms
editSee also
editReferences
edit- ^ “quadratique”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Further reading
edit- “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.
Categories:
- English terms borrowed from French
- English terms derived from French
- English terms derived from Latin
- English terms derived from Proto-Indo-European
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- English lemmas
- English adjectives
- English uncomparable adjectives
- en:Mathematics
- English nouns
- English countable nouns
- en:Polynomials
- en:Curves
- en:Two