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letting
Lettish
lettre de cachet
lettuce
lettuce bird
letup
leu
leucapheresis
leucine
leucite
leuco-
leucoblast
leucocyte
leucocytosis
leucoderma
leucodystrophy
leucoma
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leucine
leu·cine [ l sn ]


noun 
Definition:
 
essential amino acid: an essential amino acid. C6H13NO2
[Early 19th century. < Greek leukos "white"]
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