Lepto is defined as thin.
(prefix)An example of lepto is leptocephali, which is the ribbonlike larva of some marine animals.
See lepto- in Webster's New World College Dictionary
Origin: Gr lepto- < leptos, thin: see lepton
See lepto- in American Heritage Dictionary 4
or lept-
prefixOrigin:
Origin: Greek
Origin: , from leptos, fine, thin
Origin: , from lepein, to peel
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