(mathematics) Of a polynomial expression, involving only the zeroth, second, and fourth powers of a variable, as x⁴ + 3x² + 2. Sometimes extended to any expression involving the biquadrate or fourth power (but no higher powers), as x⁴ − 4x³ + 3x² − x + 1.
noun
(mathematics) A biquadratic equation.
biquadratics
biquadratics
noun
plural of biquadratic
cathedralesque
cathedralesque
adj
Resembling or characteristic of a cathedral.
charqued
charqued
adj
Prepared as charqui or jerky.
charquid
chequerboard
chequerboard
noun
Alternative spelling of checkerboard
chequered
chequered
adj
(chiefly Britain) Alternative spelling of checkered
verb
simple past tense and past participle of chequer
chlorohydroquinone
conquered
conquered
verb
simple past tense and past participle of conquer
conquistador
conquistador
noun
A conqueror, but especially one of the Spanish soldiers that invaded Central and South America otherwise known as the doorways to the new world, in the 16th century and defeated the Incas and Aztecs.
conquistadores
conquistadores
noun
plural of conquistador
conquistadors
counterquartered
counterquartered
adj
(heraldry) Doubly divided into quarters, so that each quarter is itself quartered.
critiqued
critiqued
verb
simple past tense and past participle of critique
croqueted
croqueted
verb
simple past tense and past participle of croquet
disquiparancy
equiperiodic
equiperiodic
adj
Having the same period.
equiponderance
equiponderance
noun
The state of being equal in weight; equipoise
equiponderancy
equiponderancy
noun
Archaic form of equiponderance.
equiproducing
equiradical
equiradical
adj
(mathematics) Of surds: arising from the extraction of the same nth root.
grandiloquence
grandiloquence
noun
Lofty, pompous or bombastic speech or writing.
hyperquadric
hyperquadric
noun
(mathematics) A particular generalization of a superquadric
jacquard
jacquard
noun
(countable) A Jacquard loom.
Fabric resembling a jacquard, but woven by a different process.
Fabric woven on a Jacquard loom.
jacquards
jacquards
noun
plural of jacquard
lacquered
lacquered
verb
simple past tense and past participle of lacquer
preacquired
preacquired
adj
Acquired beforehand.
verb
simple past tense and past participle of preacquire
preacquitted
preadequacy
predelinquency
predelinquency
noun
The quality of being predelinquent.
quadraphonic
quadraphonic
adj
(of a sound system) Employing four independent channels or speakers.
quadraphonics
quadraphonics
noun
quadraphonic sound
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
quadrauricular
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.
quadrifocal
quadrifocal
adj
(optics) Of or pertaining to lenses that have four different powers per eye.
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
quadrilocular
quadrilocular
adj
Having four cells or compartments.
quadriloculate
quadriloculate
adj
Having four loculi
quadrimetallic
quadrimetallic
adj
(chemistry) Containing atoms of four metals in each molecule.
quadrimolecular
quadrimolecular
adj
(chemistry) Involving four molecules
quadrinomical
quadrinucleate
quadrinucleate
adj
(biology) Having four nuclei.
noun
A cell that has four nuclei.
quadriphonic
quadriphonic
adj
Alternative form of quadraphonic
quadriplegic
quadriplegic
adj
Of, related to, or suffering from quadriplegia.
noun
One who suffers from quadriplegia.
quadriplicate
quadriplicate
noun
Alternative form of quadruplicate
quadriplicated
quadriplicated
adj
Alternative form of quadruplicated
quadriportico
quadriportico
noun
(architecture) A four-sided portico.
quadriporticus
quadriporticus
noun
A nearly square courtyard surrounded by colonnaded porticoes.
quadriquadric
quadriquadric
noun
(geometry, obsolete) A curve that is the complete intersection of two quadric surfaces.
quadrisect
quadrisect
verb
(transitive) To divide into four parts.
quadrisected
quadrisected
verb
simple past tense and past participle of quadrisect
quadrisection
quadrisection
noun
One quarter of something.
The action of dividing something into four parts.
quadrisulcate
quadrisulcate
adj
Having four hooves
quadrisulcated
quadrisyllabic
quadrisyllabic
Adjective
Having four syllables
quadrisyllabical
quadrisyllabical
adj
quadrisyllabic
quadritubercular
quadritubercular
adj
Having four tubercles or cusps
quadrituberculate
quadrituberculate
adj
Synonym of quadritubercular
quadrivalence
quadrivalence
noun
The condition of being quadrivalent.
quadrivalency
quadrivalency
noun
Synonym of quadrivalence
quadrophonics
quadrupedantic
quadrupedantical
quadrupedantical
adj
(obsolete) quadrupedal
quadruplicate
quadruplicate
adj
four times over, multiplied by four
having four parts
noun
in quadruplicate: four times over, in four copies
verb
To replicate four times; to make fourfold; to quadruple.
quadruplicated
quadruplicated
adj
replicated four times
verb
simple past tense and past participle of quadruplicate
quadruplicates
quadruplicates
noun
plural of quadruplicate
verb
Third-person singular simple present indicative form of quadruplicate
quadruplicating
quadruplicating
verb
present participle of quadruplicate
quadruplication
quadruplication
noun
multiplication by four
quadruplications
quadruplications
noun
plural of quadruplication
quadruplicature
quadruplicity
quadruplicity
Noun
A group of four things.
quarterbacked
quarterbacked
verb
simple past tense and past participle of quarterback
quarterdeck
quarterdeck
noun
(nautical) The aft part of the upper deck of a ship; normally reserved for officers
quarterdeckish
quarterdecks
quarterdecks
noun
plural of quarterdeck
quartodeciman
quartodeciman
Noun
Any of a group of early Christians who began Easter on Nisan 14, the day Jesus was crucified according to the Gospel of JohnJohn 19:14, 31, 42, and the day before the beginning of Jewish Passover, which is Nisan 15.
Adjective
Of or pertaining to these people.
quartodecimanism
quartodecimanism
Proper noun
The doctrines of the Quartodecimans.
quasiperiodic
quasiperiodic
adj
(mathematics, of a function) Such that an increment of a variable leads to a multiplication by some function.
(physics, of an oscillation) Having two unrelated periods.
Almost periodic; recurring at irregular intervals.
quattuordecillion
quattuordecillion
num
(US, Britain, Australia, rare, short scale) 10⁴⁵.
(dated, Britain, Australia, rare, long scale) 10⁸⁴.
quattuordecillionth
quickhearted
quindecemvir
quindecemvir
noun
(historical) Any member of an official group of fifteen people, especially a member of the 15-man college of priests who cared for the Sibylline Books in ancient Rome.
quindecemvirate
quindecemvirate
noun
Alternative form of quindecimvirate.
quindecemviri
quindecimvir
quindecimvir
noun
(historical, Ancient Rome) Any member of a group of fifteen officials.
radiofrequency
radiofrequency
adj
Alternative spelling of radio-frequency
noun
Alternative form of radio frequency
reacquainted
reacquainted
verb
simple past tense and past participle of reacquaint
reacquired
reacquired
verb
simple past tense and past participle of reacquire
reconquered
reconquered
verb
simple past tense and past participle of reconquer
relacquered
relacquered
verb
simple past tense and past participle of relacquer
rhomboquadratic
sesquichloride
sesquichloride
noun
(chemistry) Any chloride containing three chlorine atoms for every two atoms of another element.
squamosoimbricated
squandermaniac
squandermaniac
noun
A person exhibiting squandermania; a member of government who spends excessive money on a project.
unacquired
unacquired
verb
simple past tense and past participle of unacquire
unconquered
unconquered
adj
Not conquered
underfrequencies
underfrequency
underfrequency
noun
(electrical) The condition where the frequency of an electrical supply drops below normal parameters.