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quadruped
quadruple
quadruple scull
quadruplet
quadruplex
quadruplicate
quadrupole
quaere
quaestor
quaff
quag
quagga
quaggy
quagmire
quahog
Quai d’Orsay
quail (1)
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quadrivalent

quad·ri·va·lent [ kwòddrə váylənt ]


adjective 
Definition:
 
1. chemistry 
Same as  tetravalent


2. with four valences: with four different valences


quad·ri·va·lence noun
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