Bead" proof` (?). 1. Among distillers, a
certain degree of strength in alcoholic liquor, as formerly ascertained by
the floating or sinking of glass globules of different specific gravities
thrown into it; now ascertained by more accurate meters.
2. A degree of strength in alcoholic liquor as
shown by beads or small bubbles remaining on its surface, or at the side of
the glass, when shaken.