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quasi-judicial
quasi-legislative
quasi-public corporation
quasi-stellar object
quass
quassia
quatercentenary
Quaternary
quaternary
quaternary ammonium compound
quaternion
quaternity
quatrain
quatrefoil
quattrocento
quatuordecillion
quaver
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quaternary

qua·ter·nar·y [ kwóttər nèrree ]


adjective 
Definition:
 
1. occurring in fours: consisting of four parts, or occurring in sets of four

2. having four-atom bonds: bonded to four other nonhydrogen atoms or groups of atoms, or containing atoms bonded in this way



noun  (plural qua·ter·nar·ies)
Definition:
 
fourth member: the fourth member of a set

[15th century. < Latin quaternarius< quaterni "by fours" < quater "four times"]
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