quad- — four (affix)

quad- four

Component prefix

Latin · Latin 'four' (quadrant, quadruple).

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Used in (4)

/ˈkwɑ.dɹənt/ one of four roughly equal sectors into which a plane, circle, area, or display is divided M S

/kwɑˈdruːpəl/ four times as large, numerous, or valuable M S

/ˈkwɑdɹəˌpɛd/ having four feet M S

quadrilateral C2

/ˌkwɑdɹəˈlætəɹəl/ An area defended by four fortresses supporting each other. M S