| flannelette |
a soft cotton fabric used esp. for underwear and clothes for babies. |
| flap |
to move the arms, wings, or the like rapidly up and down. [7 definitions] |
| flap-doodle |
(informal) foolishness; nonsense. |
| flapjack |
a flat cake made by frying batter in a small amount of butter or other fat; pancake; griddlecake. |
| flapper |
something that flaps. [3 definitions] |
| flare |
to blaze or burn brightly, esp. suddenly (often fol. by "up"). [8 definitions] |
| flare-up |
a sudden eruption of light or fire. [3 definitions] |
| flare up |
to suddenly burst forth in anger. |
| flaring |
of a flame, increasing suddenly and briefly in intensity. [2 definitions] |
| flash |
a sudden, brilliant light that vanishes almost instantly. [17 definitions] |
| flashback |
a past event that interrupts the forward action of a play, movie, novel, or the like. [2 definitions] |
| flashbulb |
an electric bulb that gives a brief flash of very bright light when ignited, used to illuminate a subject while a photograph is taken. |
| flash burn |
damage to body tissue from extreme radiated heat, esp. from a nuclear explosion. |
| flashcard |
any of a set of cards bearing words, numbers, or pictures, flashed briefly before a student or class to prompt a quick response in a drill. |
| flashcube |
a small, disposable cube with four flashbulbs that attaches to a camera and is automatically turned after each picture is taken. |
| flasher |
a mechanism that causes an electric light to go on and off automatically. [2 definitions] |
| flash flood |
a sudden and violent flood following an esp. heavy rainfall. |
| flashing |
sheet metal or other material used to reinforce and weatherproof building joints. |
| flash in the pan |
one who succeeds brilliantly for a brief time only. |
| flashlight |
a hand-held, usu. battery-powered lamp. |
| flash point |
the lowest temperature at which a combustible liquid will give a flash of light when heat is applied. [2 definitions] |