English Words Starting With Q
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- quadraphonics/ˌkwɒdrəˈfɒnɪks/A sound reproduction system that uses four independent audio channels to create a surrounding, three-dimensional sound field for the listener.nounC2
- quadraphony/kwɒˈdræf.ə.ni/A sound reproduction system using four separate audio channels to create a sense of sound coming from four directions (left front, right front, left rear, right rear).nounC2
- quadrat/ˈkwɒdrət/A sampling area, usually square, used in ecology, geology, and archaeology for systematic study of distribution or abundance.nounC2/Technical
- quadrate/ˈkwɒd.reɪt/To square, to adjust, or to make something correspond exactly; having four equal sides and right angles.adjectivenounverbverb-intransitiveverb-transitiveRare
- quadratic/kwɒˈdræt.ɪk/Of or relating to the second degree (x²); involving the square of an unknown quantity.adjectivenounC2
- quadratic equation/kwɒˌdræt.ɪk ɪˈkweɪ.ʒən/A polynomial equation of the second degree, typically in the form ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.nounMedium
- quadratic form/kwɒˈdræt.ɪk fɔːm/In mathematics, a homogeneous polynomial of degree two in several variables.nounC2/Technical
- quadratic formula/kwɒˌdræt.ɪk ˈfɔː.mjə.lə/A mathematical formula that provides the solutions to any quadratic equation of the form ax² + bx + c = 0.nounMedium
- quadratic residue/kwɒˌdræt.ɪk ˈrɛz.ɪ.djuː/In number theory, an integer q is called a quadratic residue modulo n if there exists an integer x such that x² ≡ q (mod n).nounC2
- quadratics/kwɒˈdræt.ɪks/The branch of algebra dealing with quadratic equations, which are polynomial equations of the second degree (e.g., ax² + bx + c = 0).nounC1
- quadrature/ˈkwɒdrətʃə/The process of constructing a square with the same area as a given geometric figure (especially a circle); the act of squaring.nounC1/C2
- quadrature of the circle/ˌkwɒdrətʃər əv ðə ˈsɜːkl/An ancient geometric problem of constructing a square with the same area as a given circle using only a finite number of steps with compass and straightedge, which was proven impossible in 1882nounC2
- quadrel/ˈkwɒdr(ə)l/A square stone or brick, typically used in masonry and construction.nounC2
- quadrella/kwɒˈdrɛlə/A type of bet in horse or greyhound racing where the punter must select the winners of four nominated races (usually consecutive) in a single meeting.nounLow frequency (Specialised/Domain-specific)
- quadrennial/kwɒˈdrɛn.i.əl/Happening once every four years; lasting for four years.adjectivenounC1
- quadrennium/kwɒˈdrɛnɪəm/A period of four years.nounC2
- quadriad/ˈkwɒd.ri.æd/A group or set of four connected things or individuals.nounExtremely Rare
- quadric/ˈkwɒd.rɪk/A geometric surface or curve defined by a quadratic equation in two or more variables.adjectivenounVery Low / Technical
- quadric surface/ˌkwɒd.rɪk ˈsɜː.fɪs/A surface in three-dimensional space defined by a second-degree (quadratic) equation in coordinates x, y, z.nounC2 (Very low frequency, specialized technical term)
- quadricentenary/ˌkwɒdrɪsɛnˈtiːnəri/The four-hundredth anniversary of an event.nounVery Low
Showing 81–100 of 698 words.