Related topics: Measurement
ˌfluid ˈounce noun [countableC] (written abbreviation fl oz) TMa unit for measuring liquid, equal to 1/20 pint or 0.028 litres in Britain, and 1/16 pint or 0.030 litres in the US 液盎司，液量盎司〔液量单位，英制等于1/20品脱或0.028升，美制等于1/16品脱或0.030升〕