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fining [ˈfaɪnɪŋ]
n
1. (Fine Arts & Visual Arts / Ceramics) the process of removing undissolved gas bubbles from molten glass
2. (Miscellaneous Technologies / Brewing) the process of clarifying liquors by the addition of a coagulant
3. (Miscellaneous Technologies / Brewing) (plural) a substance, such as isinglass, added to wine, beer, etc., to clarify it
[from fine1 (in the sense: to clarify, refine)]
Collins English Dictionary – Complete and Unabridged © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003