Quad vs. Quadrant — What's the Difference?

A quadrangle

A circular arc of 90°; one fourth of the circumference of a circle.

See quadrat.

The plane area bounded by such an arc and two perpendicular radii.

Something having four identifiable or prominent parts or members.

Any of the four areas into which a plane is divided by the reference axes in a Cartesian coordinate system, designated first, second, third, and fourth, counting counterclockwise from the area in which both coordinates are positive.

Something capable of carrying or moving four people or things, as a chairlift.

A machine part or other mechanical device that is shaped like a quarter circle.

A quadruplet.

An early instrument for measuring altitude of celestial bodies, consisting of a 90° graduated arc with a movable radius for measuring angles.

A quadriceps muscle

One of the four sections made by dividing an area with two perpendicular lines.

Quadruple.

(mathematics) One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.

Quadraphonic.

(geometry) One fourth of a circle or disc; a sector with an angle of 90°.

A serving of four shots of espresso.

(nautical) A measuring device with a graduated arc of 90° used in locating an altitude.

(chess) A kind of round-robin tournament between four players, where each participant plays every other participant once.

(college basketball) One of the four categories of team wins and losses, as categorized by strength of schedule.

(Mormonism) The Bible, Book of Mormon, Doctrine and Covenants, and Pearl of Great Price bound in a single volume.

(obsolete) A square or quadrangle.

A poster, measuring forty by thirty inches, advertising a cinematic film release.

The fourth part; the quarter.

(informal) A quadrangle quadrangular courtyard.

The quarter of a circle, or of the circumference of a circle, an arc of 90°, or one subtending a right angle at the center.

(informal) A quadruplet infant.

One of the four parts into which a plane is divided by the coördinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant.

A quadrilateral.

An instrument for measuring altitudes, variously constructed and mounted for different specific uses in astronomy, surveying, gunnery, etc., consisting commonly of a graduated arc of 90°, with an index or vernier, and either plain or telescopic sights, and usually having a plumb line or spirit level for fixing the vertical or horizontal direction.

(informal) The quadriceps muscle.

A quarter of the circumference of a circle

(informal) A quadriplegic person.

A quarter of the circumference of a circle

(informal) Quadruplex videotape.

Any of the four areas into which a plane is divided by two orthogonal coordinate axes

(informal) A quadrupel beer.

The area enclosed by two perpendicular radii of a circle

(informal) A quadcopter.

A measuring instrument for measuring altitude of heavenly bodies

A skate with four wheels.

(skating) quadruple

A quad bike from quadricycle

Abbreviation of quadrillion BTU}} {{gloss

(metal type) A blank metal block used to fill short lines of type.

A joke used to fill long days of setting type.

A keyboard command which aligns text with the left or right margin, or centred between them. In combination, as quad left, quad right, or quad centre.

Having four shots of espresso.

(poker slang) Of or relating to quads.

(transitive) en

To ride a quad bike

To fill spaces in a line of type with quads. Also quad out.

To align text with the left or right margin, or centre it.

Evil; bad; baffling; as, a quade wind.

A quadrat.

A quadrangle; hence, a prison.

One of four children born at the same time from the same pregnancy

A muscle of the thigh that extends the leg

(printing) a block of type without a raised letter; used for spacing between words

A rectangular area surrounded on all sides by buildings