(US) A building divided into four separate residences or commercial premises
quadplexes
quadplexes
noun
plural of quadplex
quadra
quadra
noun
(architecture) The plinth, or lowest member, of any pedestal, podium, water table, or the like.
A fillet, or listel.
A frame enclosing a bas relief.
quadrable
quadrable
adj
(mathematics) Of a plane figure, for which quadrature is possible.
quadrae
quadrae
noun
plural of quadra
quadragenarian
quadragenarian
adj
Of or related to fortysomethings.
noun
Synonym of fortysomething: a person between 40 and 49 years old.
quadragenarious
quadragenarious
adj
(rare) Synonym of quadragenarian: Of or related to fortysomethings.
quadragesima
quadragesimal
quadragesimal
adj
(mathematics) Of, related to, or based on the number forty.
Belonging to Lent; used in Lent; Lenten
That lasts forty days
quadragintesimal
quadral
quadral
adj
(grammar) Referring to four (or more) things; of, in or relating to the quadral grammatical number.
(mathematics) Of or relating to quadral polynomials.
noun
(grammar) A grammatical number referring to four (or more) things.
(mathematics) A set of points with all the combinatorial properties of a quadric (a quadric being the set of points of PG(n, q) whose coordinates satisfy a quadratic equation).
(rhetoric) A set of four phrases, separated by pauses when speaking or commas when writing.
A foursome.
quadrangle
quadrangle
noun
(geometry) A geometric shape with four angles and four straight sides; a four-sided polygon.
A courtyard which is quadrangular.
The buildings forming the border of such a courtyard.
quadrangled
quadrangled
adj
Alternative form of quadrangular
Enclosed in a quadrangular structure
quadrangles
quadrangles
noun
plural of quadrangle
quadrangular
quadrangular
adj
Having the shape of a quadrangle; in the shape of a quadrangle.
quadrangularly
quadrangularly
adv
In a quadrangular shape or manner.
quadrangularness
quadrangulate
quadrangulate
verb
(transitive) To divide (a plane or other surface) into quadrangles, often by removing the dividing line between two adjacent triangles (following a previous triangulation)
quadranguled
quadrans
quadrans
noun
A bronze coin of the Roman republic worth one quarter of an as.
quadrant
quadrant
noun
(college basketball) One of the four categories of team wins and losses, as categorized by strength of schedule.
(geometry) One fourth of a circle or disc; a sector with an angle of 90°.
(mathematics) One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.
(nautical) A measuring device with a graduated arc of 90° used in locating an altitude.
(obsolete) A square or quadrangle.
One of the four sections made by dividing an area with two perpendicular lines.
quadrantal
quadrantal
adj
(geometry) Of or relating to a quadrant, or included in the fourth part of a circle.
noun
An ancient Roman unit of measure for liquids.
cube
quadrantes
quadrantes
noun
plural of quadrans
quadrantid
quadrantid
Noun
Any of the meteors in a January meteor shower whose radiant is inside the constellation Boötes.
quadrantile
quadrantile
adj
quadrantal
quadrantlike
quadrantlike
adj
Resembling or characteristic of a quadrant.
quadrantly
quadrantly
adv
squarely
quadrants
quadrants
noun
plural of quadrant
quadraphonic
quadraphonic
adj
(of a sound system) Employing four independent channels or speakers.
quadraphonics
quadraphonics
noun
quadraphonic sound
quadrat
quadrat
noun
(Egyptology) A virtual rectangular subdivision of a line or column of hieroglyphs within which a group of hieroglyphs is arranged.
(letterpress typography, obsolete) A quad; a blank metal block used to fill space in lines of type.
(sciences) An area of land, marked for studying its plants, animals, soil, natural processes, etc.
quadrate
quadrate
adj
(archaic) Square; even; balanced; equal; exact.
(archaic) Squared; suited; correspondent.
Having four equal sides, the opposite sides parallel, and four right angles; square.
Produced by multiplying a number by itself; square.
noun
(anatomy) The quadrate bone.
(astrology) An aspect of the heavenly bodies in which they are distant from each other 90°, or the quarter of a circle; quartile.
(geometry) A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square.
verb
(archaic, transitive) To adjust (a gun) on its carriage.
(archaic, transitive) To square; to agree; to suit; to correspond (with).
(archaic, transitive) To train (a gun) for horizontal firing.
(archaic, transitive, intransitive) To square.
quadrated
quadrated
verb
simple past tense and past participle of quadrate
quadrateness
quadrateness
noun
Quality of being quadrate.
quadrates
quadrates
verb
Third-person singular simple present indicative form of quadrate
quadratic
quadratic
adj
(mathematics) of a function, of the form y=ax²+bx+c.
(mathematics) of a polynomial, involving the second power (square) of a variable but no higher powers, as ax²+bx+c.
(mathematics) of an equation, of the form ax²+bx+c=0.
square-shaped
noun
(mathematics) A quadratic polynomial, function or equation.
quadratical
quadratical
adj
(rare) quadratic
quadratically
quadratically
adv
In a quadratic way.
quadratics
quadratics
noun
plural of quadratic
quadratifera
quadratiferous
quadrating
quadrating
verb
present participle of quadrate
quadratojugal
quadratojugal
adj
(anatomy) Of or pertaining to the quadrate and jugal bones.
(anatomy) Of or pertaining to the quadratojugal bone.
noun
(anatomy) A small jaw bone found in the skull of most reptiles, amphibians and birds.
quadratomandibular
quadratomandibular
adj
(anatomy) Relating to the quadrate bone and the mandible.
quadrator
quadratosquamosal
quadratosquamosal
adj
(anatomy) Both quadrate and squamosal
quadratrix
quadratrix
noun
(mathematics) A curve having ordinates which are a measure of the area (or quadrature) of another curve.
quadrats
quadrats
noun
plural of quadrat
quadratum
quadrature
quadrature
noun
(art) A painting painted on a wooden panel.
(astronomy) A situation in which the directions of two celestial bodies (or a celestial body and the Sun) form a right-angle from the perspective of the observer.
(mathematics) The act or process of constructing a square that has the same area as a given plane figure, or of computing that area.
(mathematics, mathematical analysis) The act or process of solving an indefinite integral by symbolic means.
(mathematics, numerical analysis) The calculation of a definite integral by numerical means.
(physics) The condition in which the phase angle between two alternating quantities is 90°.
The process of making something square; squaring.
quadratures
quadratures
noun
plural of quadrature
quadratus
quadratus
noun
(anatomy) Any of several roughly square or rectangular muscles, e.g. in the abdomen, thigh, and eye socket.
quadrauricular
quadrel
quadrel
noun
(archaic) A square brick or tile; a quarrel.
A square piece of turf.
quadrella
quadrella
noun
(gambling, horse racing, Australia, New Zealand) A bet where the bettor must pick the winners of four nominated races at the same track.
quadrennia
quadrennia
noun
plural of quadrennium
quadrennial
quadrennial
adj
Happening every four years.
Lasting for four years.
noun
A four-year period, a quadrennium.
quadrennially
quadrennially
adv
Every four years.
quadrennials
quadrennials
noun
plural of quadrennial
quadrennium
quadrennium
noun
A period of 4 years, particularly (historical) the sets of four years in the ancient Egyptian and Greek calendars.
quadrenniums
quadriad
quadriad
noun
(US) A government committee of four economic experts.
(rare) A grouping of four things.
quadrialate
quadrialate
adj
Having four winglike extensions or parts.
quadriannulate
quadriannulate
adj
(biology) Having four rings.
quadriarticulate
quadriarticulate
adj
(entomology) Having four joints.
quadriarticulated
quadriarticulated
adj
Alternative form of quadriarticulate
quadribasic
quadribasic
adj
(chemistry) tetrabasic
quadric
quadric
adj
(mathematics) Of or relating to the second degree; quadratic.
noun
(mathematics) A surface or curve whose shape is defined in terms of a quadratic equation
quadricapsular
quadricapsular
adj
(botany) Having four capsules
quadricapsulate
quadricarinate
quadricarinate
adj
(biology) Having four carinae.
quadricellular
quadricellular
adj
Having four cells.
quadricentennial
quadricentennial
adj
Relating to a 400th anniversary.
quadricentennials
quadricentennials
noun
plural of quadricentennial
quadriceps
quadriceps
noun
(anatomy) A muscle having four heads, especially the large extensor at the front of the thigh.
quadricepses
quadricepses
noun
plural of quadriceps
quadrichord
quadrichord
noun
(obsolete, music) tetrachord
quadriciliate
quadriciliate
adj
Having four cilia.
quadricinium
quadricinium
noun
(music) A four-part composition.
quadricipital
quadricipital
adj
(anatomy) Of or pertaining to the quadriceps.
quadricone
quadricone
noun
(geometry) A quadric cone.
quadricorn
quadricorn
noun
Any quadricornous (four-horned) animal
quadricornous
quadricornous
adj
having four horns
quadricostate
quadricostate
adj
Having four ribs.
quadricotyledonous
quadricovariant
quadricovariant
noun
(mathematics) a covariant of degree 4
quadricrescentic
quadricrescentoid
quadricrescentoid
adj
(zoology, dentistry) Having four crescentic folds.
quadrics
quadrics
noun
plural of quadric
quadricuspid
quadricuspid
adj
Having four cusps.
quadricuspidal
quadricuspidate
quadricycle
quadricycle
noun
A four-wheeled motorcycle, often resembling a small car (microcar).
A four-wheeled pedal cycle.
quadricycler
quadricyclist
quadricyclist
noun
One who rides a quadricycle.
quadridentate
quadridentate
adj
Having four teeth.
quadridentated
quadridentated
adj
Alternative form of quadridentate
quadriderivative
quadridigitate
quadridigitate
adj
Having only four fingers on a hand, or toes on a foot
quadriennial
quadriennial
adj
Alternative form of quadrennial
quadriennium
quadrienniumutile
quadrifarious
quadrifarious
adj
(botany) Arranged in four rows or ranks.
quadrifariously
quadrifariously
adv
In a quadrifarious manner.
quadrifid
quadrifid
adj
Divided, or deeply cleft, into four parts.
quadrifilar
quadrifilar
adj
Having four wires, threads or filaments.
quadrifocal
quadrifocal
adj
(optics) Of or pertaining to lenses that have four different powers per eye.
quadrifoil
quadrifoil
adj
Alternative form of quadrifoliate
quadrifoliate
quadrifoliate
adj
(botany) Having four leaves or leaflets.
quadrifoliolate
quadrifoliolate
adj
(botany) Having four leaflets.
quadrifolious
quadrifolium
quadriform
quadriform
adj
Having four forms, parts or aspects
quadrifrons
quadrifrons
noun
(architecture) Synonym of tetrapylon
quadrifrontal
quadrifrontal
adj
(architecture) In the form of a quadrifrons.
quadrifurcate
quadrifurcate
adj
Branching fourfold; having four branches.
verb
Furcate (fork or divide) into four branches or channels.
quadrifurcated
quadrifurcated
adj
Having four forks or branches; quadrifurcate.
verb
simple past tense and past participle of quadrifurcate
quadrifurcation
quadrifurcation
noun
A division into four branches
quadriga
quadriga
noun
(historical) A Roman racing chariot drawn by four horses abreast.
(historical) A team of four horses, or sometimes other animals, especially as used in chariot racing.
quadrigabled
quadrigae
quadrigae
noun
plural of quadriga
quadrigamist
quadrigamist
noun
(rare) Someone who has four spouses at the same time.
quadrigate
quadrigati
quadrigati
noun
plural of quadrigatus
quadrigatus
quadrigatus
noun
A medium-sized silver coin minted by the Roman Republic during the 3rd century B.C..
quadrigeminal
quadrigeminal
adj
Having four parts, or two pairs.
quadrigeminate
quadrigeminate
adj
Synonym of quadrigeminal
quadrigeminous
quadrigeminous
adj
Archaic form of quadrigeminal.
quadrigeminum
quadrigeminum
noun
(anatomy) One of the corpora quadrigemina.
quadrigenarious
quadrigenarious
adj
(rare) Having or consisting of four hundred.
quadriglandular
quadriglandular
adj
Having or relating to four glands.
quadrihybrid
quadrihybrid
noun
(biology) A hybrid whose parents differ by four pairs of contrasting Mendelian characters.
quadrijugal
quadrijugal
adj
Especially of a chariot: pulled by four horses.
quadrijugate
quadrijugate
adj
(botany) Pinnate, with four pairs of leaflets.
quadrijugous
quadrijugous
adj
quadrijugate
quadrilaminar
quadrilaminate
quadrilaminate
adj
Having four layers.
quadrilateral
quadrilateral
adj
Having four sides.
noun
A polygon with four sides.
An area defended by four fortresses supporting each other.
quadrilaterally
quadrilaterally
adv
In a quadrilateral fashion.
quadrilateralness
quadrilaterals
quadrilaterals
noun
plural of quadrilateral
quadrilingual
quadrilingual
adj
Involving four languages.
Of a person, able to speak four languages.
Of a text, written in four languages.
noun
A person who understands four languages.
quadriliteral
quadriliteral
adj
Used to describe word roots in Afroasiatic languages which consist of four letters
noun
A word root in an Afroasiatic language which consists of four letters
quadrille
quadrille
noun
(card games) A Spanish trick-taking card game from the 1700s played with a 40-card deck.
A choreographed dressage ride, commonly performed to music, with a minimum of four horses.
A dance originating in the mid-1700s with four couples forming a square, rather much like the modern square dance.
A square tiling of the plane.
Quadrille ruled graph paper, quad paper.
verb
(intransitive) To dance the quadrille.
quadrilled
quadrilled
verb
simple past tense and past participle of quadrille
quadrilles
quadrilles
noun
plural of quadrille
quadrilling
quadrilling
verb
present participle of quadrille
quadrillion
quadrillion
noun
(figuratively, slang, hyperbolic) Any very large number, exceeding normal description.
num
(US, modern British and Australian, short scale) A thousand trillion (logic: 1,000 × 1,000^4): 1 followed by fifteen zeros, 10¹⁵.
(dated, UK, Australia, long scale) A million trillion (logic: 1,000 × 1,000,000^2): 1 followed by twenty-four zeros, 10²⁴.
quadrillions
quadrillions
noun
plural of quadrillion
quadrillionth
quadrillionth
adj
The ordinal form of the number one quadrillion.
noun
One of a quadrillion equal parts of a whole.
The person or thing in the quadrillionth position.