noun
( -s )
Etymology: from gerund of fine (V)
1. : the act or process of fining: as
a. : the conversion of pig iron into wrought iron in a hearth or charcoal fire, a process now superseded by puddling
b. : the process of freeing molten glass of bubbles usually by the addition of certain chemical agents
c. : the operation or process by which a beverage (as wine or beer) is clarified (as by bringing suspended matter to the bottom)
2. : material (as isinglass, gelatin, egg white) used for clarifying a liquid (as a beverage) — often used in plural
when finings are poured into a cask … they should reach every part of the wine — A.L.Simon