1

quad

noun \ ˈkwäd \

Definition of quad

First Known Use of quad

1820

in the meaning defined above

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2

quad

noun

Definition of quad

: a type-metal space that is one en or more in width

Origin and Etymology of quad

short for quadrat


3

quad

verb

Definition of quad

quadded; quadding
: to fill out (something, such as a typeset line) with blank space

First Known Use of quad

circa 1888

in the meaning defined above

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4

quad

noun

Definition of quad

plural quads
2 : a ski lift that holds four people
3 : a quadruple toe loop in competitive figure skating
4 also quad bike : a four-wheeled all-terrain vehicle

First Known Use of quad

1896

in the meaning defined at sense 1

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5

quad

adjective

Definition of quad

1 : having or composed of four items or elements : quadruple 1
  • The F/A-18 flight-control system … is characterized by quad redundancy, which means that there are essentially four levels of sensing and actuation for each control surface.
  • McGraw-Hill Yearbook Of Science And Technology
  • Quad skates are roller skates that have four wheels arranged in two rows, while inline skates have them in one line.
  • —Jenee Osterheldt
2 : quadraphonic
  • Domestic quad listening needs two additional loudspeakers over stereo, and two more amplifiers, plus the black box which allocates some of the sounds to the rear left/right, and others to the front left/right.
  • —George Steedman

First Known Use of quad

1881

in the meaning defined at sense 1

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Other Audio Recording Terms


6

quad

noun

Definition of quad

: quadraphonic sound

First Known Use of quad

1971

in the meaning defined above

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Other Audio Recording Terms


7

quad

noun

Definition of quad

: a unit of energy equal to one quadrillion British thermal units

Origin and Etymology of quad

short for quadrillion


8

quad

noun

Definition of quad

: quadriceps usually used in plural

First Known Use of quad

1954

in the meaning defined above

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Medical Dictionary

quad

noun \ ˈkwäd \

medical Definition of quad

: quadriceps usually used in plural


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