fluid ounce

fluid ounce

n. Abbr. fl. oz.

1. A unit of volume or capacity in the U.S. Customary System, used in liquid measure, equal to 29.57 milliliters (1.804 cubic inches).

2. A unit of volume or capacity in the British Imperial System, used in liquid and dry measure, equal to 28.41 milliliters (1.734 cubic inches).

---

fluid ounce

n

(Mathematics & Measurements / Units) a unit of capacity equal to the volume of one avoirdupois ounce of distilled water at 62°F: there are twenty fluid ounces in an Imperial pint and sixteen in a US pint

---

fluid ounce

A unit of liquid volume or capacity in the US Customary System equal to ¹/₁₆ of a pint (29.57 milliliters). See Table at measurement.

Thesaurus

Noun	1.	fluid ounce - a British imperial unit of capacity or volume (liquid or dry) equal to 8 fluid drams or 28.416 cubic centimeters (1.734 cubic inches) fluidounce British capacity unit, Imperial capacity unit - a unit of measure for capacity officially adopted in the British Imperial System; British units are both dry and wet fluid drachm, fluid dram, fluidram, drachm - a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters gill - a British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimeters
	2.	fluid ounce - a United States unit of capacity or volume equal to 1.804 cubic inches fluidounce United States liquid unit - a liquid unit officially adopted in the United States Customary System fluid drachm, fluid dram, fluidram, drachm - a unit of capacity or volume in the apothecary system equal to one eighth of a fluid ounce gill - a United States liquid unit equal to 4 fluid ounces