aff. a suffix occurring in adjectives borrowed from Latin, meaning “full of,”“abounding in,”“given to,”“like”:jocose; otiose; verbose[/ex]•Etymology: < L -ōsus. Cf. -ous II-osechem. aff. a suffix used in the names of sugars and other carbohydrates (fructose; lactose), and of protein derivatives (proteose)
From formal English to slang. 2014.