fluid ounce
(Mechanics) Abbreviated fl oz. 1. A unit of volume that is used in the United States for measurement of liquid substances, equal to 1/16 liquid pint, or 231/128 cubic inches, or 2.95735295625 ×10−5 cubic meter. 2. A unit of volume used in the United Kingdom for measurement of liquid substances, and occasionally of solid substances, equal to 1/20 pint or 2.84130625 × 10−5 cubic meter.
