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argentine
argentite
argentum nitricum
argie-bargie
argil
argillaceous
argillite
arginase
arginine
Argive
Argo
argol
argon
Argonaut
argonaut
Argonne
argosy
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arginine
ar·gi·nine [ rjə nn ]


noun 
Definition:
 
amino acid: an essential amino acid, one of the constituents of protein. Source: guanidine in plant and animal tissue. C6H14N4O2
[Late 19th century. < German]
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