• -in

    Alternative forms

    Origin

    Full definition of -in

    Suffix

    1. (proscribed, dialect or eye dialect) Alternative form of -ing
    2. (biochemistry) Used, as a modification of -ine, to form the names of a variety of types of compound; examples include proteins (globulin), carbohydrates (dextrin), dyes (alizarin) and others (vanillin).----
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