fluency |
the ability to speak or write smoothly and easily in another language. |
fluent |
speaking or writing easily and smoothly. [4 definitions] |
flue pipe |
an organ pipe in which sound is produced by a current of air that vibrates as it strikes the lip of an opening in the side of the pipe; flue. |
fluff |
a soft, light, downlike substance, or a mass of such a substance. [7 definitions] |
fluffy |
of, made of, or covered with fluff. [2 definitions] |
fluid |
a substance, such as a liquid or gas, that can flow and that tends to conform to the shape of its container. [5 definitions] |
fluid dram |
in the U.S., a unit of capacity equal to one eighth of a fluid ounce or 3.6966 milliliters. [2 definitions] |
fluid ounce |
in the US, a unit of capacity equal to one sixteenth of a pint or 29.57 milliliters. [2 definitions] |
fluke1 |
a triangular tip, as on an anchor or the head of a spear or arrow. [2 definitions] |
fluke2 |
that which is accidentally successful; stroke of good luck. |
fluke3 |
any of several flatfishes or flounderlike fishes. |
fluky |
(informal) resulting from chance; accidental or lucky. [2 definitions] |
flume |
a narrow gorge or ravine through which a stream flows. [3 definitions] |
flummery |
any of several soft, thick, bland foods, such as boiled oatmeal or custard. [2 definitions] |
flummox |
(informal) to confuse or puzzle. |
flung |
past tense and part participle of fling. |
flunk |
(informal) to be unsuccessful; fail, as a student in an examination or course. [3 definitions] |
flunk out |
(informal) to be dismissed from a school because of failing grades. |
flunky |
one who does unskilled, menial, or trivial tasks. [3 definitions] |
fluor |
calcium fluoride; fluorite. [2 definitions] |
fluoresce |
to exhibit, produce, or undergo radiation, esp. to emit visible light during or after exposure to radiation. |