quadratic

adj, noun — 3 senses

quadratic

adj

/kwɒdˈɹætɪk/ · /kwəˈdɹætɪk/

Etymology From French quadratique (1765), from Latin quadrātus + -ique (English -ic), form of quadrō (“to make square”), from quādrus (“square”), ultimately from Proto-Indo-European *kʷetwóres (“four”), whence also Latin quartus (“fourth”).

1

Square-shaped.

2

Mathematics, Sciences Of a polynomial, equation or function, second-degree: involving the second power (square) of a variable but no higher powers, as ax²+bx+c.

  • A linear or even a quadratic relation between the overall gain in efficiency η and the modularity Q would have been easily explained through S1 Fig, which shows a quadratic (inverse) relation between interedges fraction and modularity.2015 November 17, “Fast Fragmentation of Networks Using Module-Based Attacks”, in PLOS ONE, →DOI:

quadratic

noun

Etymology From French quadratique (1765), from Latin quadrātus + -ique (English -ic), form of quadrō (“to make square”), from quādrus (“square”), ultimately from Proto-Indo-European *kʷetwóres (“four”), whence also Latin quartus (“fourth”).

1

Mathematics, Sciences A quadratic polynomial, function or equation.

  • If the binomial roots of a series of quadratics be squaredly squared, and those results be constant portions of the cube of the resolvend, and the dioristic limit; […]1809, Charles Hutton, The Philosophical Transactions of the Royal Society of London from Their Commencement in 1665 to the Year 1800, volume 3, The Royal Society of London for Improving Natural Knowledge, page 41:
Derived terms
25 termsbiquadratic, multiquadratic, nonquadratic, paraquadratic, polyquadratic, postquadratic, prequadratic, quadratic acid, quadratically, quadratic equation, quadratic field, quadratic form, quadratic formula, quadratic function, quadratic integer, quadraticity, quadratic mean, quadratic reciprocity, quadratic residue, quadratic surd, quadratic time, quadratization, quadratize, subquadratic, superquadratic
Related terms
quadrate, quadrature, square

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.