v
(transitive, arithmetic) To raise to the fourth power; to determine the result of multiplying by itself three times.
n
(typography) A quad which has a fixed width of 1 em.
n
(typography) A quad with a fixed width of 1 en.
n
The quadripoint at the borders of Colorado, New Mexico, Arizona and Utah, and the region surrounding it.
adj
At the fourth level of some system, particularly:
n
(printing) Synonym of en quad
n
(meteorology) The proportion of the sky that is obscured by clouds, in eighths (one octa means that one eighth of the sky is obscured, two octas that one quarter is obscured, and so on).
adj
(mathematics) Of the eighth degree or order.
n
Abbreviation of quarter (of the year). [(in general sense) Each of four equal parts into which something can be divided; a fourth part.]
n
(geometry) Abbreviation of quaternary triangular mesh.
n
(informal) A quadruplet (infant).
n
A service offering in which four services are offered together, especially television, broadband, and fixed and mobile telephone.
adj
Alternative form of quadcore [(computing, of a microprocessor) Composed of four cores.]
adj
(computing, of a microprocessor) Composed of four cores.
n
(architecture) The plinth, or lowest member, of any pedestal, podium, water table, or the like.
n
Archaic spelling of quatrain. [A poem in four lines.]
n
Obsolete form of quatrain. [A poem in four lines.]
n
(archaic) A square brick or tile; a quarrel.
n
(physics) Synonym of four-acceleration
n
(US) A government committee of four economic experts.
n
(music) A four-part composition.
n
(physics) Synonym of four-force
n
(nonstandard) A tetralogy.
n
(archaic) An old copper coin of small value.
n
Alternative form of quatrin [(obsolete) Any of several small copper coins, similar to farthings, in any of several countries.]
adj
Consisting of four names or parts or terms.
n
(chemistry) A urate containing four as much of the uric acid constituent as an ordinary urate.
adj
Alternative spelling of quadraphonic [(of a sound system) Employing four independent channels or speakers.]
n
(economics) A market situation in which four companies exclusively provide a particular product or service.
adj
(grammar) Alternative form of quadral [(grammar) Referring to four (or more) things; of, in or relating to the quadral grammatical number.]
n
(historical) In Ancient Rome, a public informer who received a fourth part.
n
The transmission of four separate messages on a single cable.
adj
(mathematics) Of base four; using only four unique digits.
adj
Of the fourth rank or order.
n
(fencing) The fourth defensive position, with the sword hand held at chest height, and the tip of the sword at neck height, the palm of the hand facing upwards.
n
A point on an arch calculated by measuring one quarter of the height along a line from the peak to the outer edge on the ground.
n
(archaic, architecture) A platform of a staircase where the stair turns at a right angle only.
n
(botany, archaic) A supposed fourth integument of an ovule, counting from the outside.
v
Alternative form of quadrisect [(transitive) To divide into four parts.]
n
Alternative form of quat (“quaternary ammonium”) [(obsolete) A pustule.]
v
To convert to quaternal form
adj
Of a mathematical expression containing e.g. x⁴
adj
Composed of, or arranged in, sets of four.
n
A group or set of four people or things.
n
(countable) A group or set of four.
adj
(grammar) Alternative form of quadral [(grammar) Referring to four (or more) things; of, in or relating to the quadral grammatical number.]
n
Obsolete form of quadroon. [(dated) A person of three-fourths Caucasian descent and one fourth African descent.]
n
An arrangement of five units with four forming the corners of a square and the fifth at the centre of the square, a pattern corresponding to the five-spot on dice, playing cards, or dominoes.
n
(computing) A program that produces its own source code as output.
adj
(mathematics, archaic) In a ratio of three to two, or of one a half to one.
adj
(mathematics) Having the ratio of one and one third to one (as 4:3).
n
(dated) A squadron, whether of boats or of airplanes.
v
(arithmetic) To perform tetration.
n
(mathematics) An algebraic variety of dimension 3.
n
(mathematics, computing) A sequence of three elements or 3-tuple.
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