What does fining mean?
Fining is the process of clarifying a liquid—most often wine or beer—by removing suspended particles that leave it cloudy. A fining agent such as bentonite clay, gelatin, egg whites, or isinglass is stirred into the liquid, where it attracts and binds the offending particles and carries them to the bottom, leaving the finished product clear and bright. Long established in winemaking and brewing, fining is distinct from filtration, relying instead on gentle chemical attraction and settling. In British brewing, the clarifying agents themselves are often called 'finings.' The term belongs mainly to technical and enthusiast vocabulary, though the same spelling also appears as the ordinary present participle of the verb 'to fine,' meaning to impose a monetary penalty. For anyone interested in how beverages achieve their brilliance before bottling, fining is the essential word to know.
nounThe process of clarifying a liquid, especially wine or beer, by removing suspended particles so it becomes clear and bright. Fining is typically done by adding an agent—such as egg whites, gelatin, isinglass, or bentonite—that binds to impurities and settles them out.
- The act or process of clarifying wine, beer, or another liquid using a fining agent that removes suspended solids.
- (Usually in plural, 'finings') The clarifying agents themselves used in brewing and winemaking.
"The winemaker allowed a month of fining with egg whites before bottling the Cabernet."
"Bentonite is a popular fining agent for removing haze from white wines."
"Homebrewers often add isinglass finings to the cask to give the beer a bright, polished appearance."
In brewing, 'finings' (plural) refers collectively to the clarifying agents added to beer or wine, as in 'isinglass finings.'
"Add the finings two days before kegging to ensure the beer clears completely."
Some of your favorite wine was probably clarified with egg whites, fish bladder, or clay—that centuries-old trick is called fining.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of fining
The word derives from the adjective 'fine,' which entered English via Old French 'fin' from Latin 'finis,' meaning end or limit—something refined being brought to its finest, ultimate state. The noun 'fining' arose in English in the brewing and winemaking trades to describe treatment with agents that render a liquid fine, that is, perfectly clear. It thus shares its root with related words such as 'finish,' 'final,' 'finite,' and 'refine,' all descended from that same Latin source.
Related word forms
How fining is actually used
Fining is primarily a technical term in winemaking and brewing rather than everyday vocabulary. In British brewing contexts, the plural form 'finings' commonly refers to the clarifying substances themselves. Note also that 'fining' serves as the present participle of the verb 'to fine' (to impose a monetary penalty), which can cause ambiguity outside the beverage context.
Easily confused with fining
Finning refers to removing fins from sharks or propelling with fins, whereas fining means clarifying a liquid like wine or beer—or imposing a monetary penalty (as the verb 'to fine').