quad Meaning and Definition
1. n. a rectangular area surrounded on all sides by buildings
2. n. (printing) a block of type without a raised letter; used for spacing between words
3. n. a muscle of the thigh that extends the leg
4. n. one of four children born at the same time from the same pregnancy
QUaD, an acronym for QUEST at DASI, is a ground based cosmic microwave backrground (CMB) polarization experiment located at the South Pole.
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