| fey Scot |
a Scotsman who is doomed or fated to die; used in reference to the character of Macbeth in Shakespeare's play. |
| fez |
a man's felt cap, shaped like a flat-topped cone and usu. red with a black tassel, worn esp. in Middle Eastern countries. |
| ff. |
abbreviation of "and the following." |
| FHA |
abbreviation of "Federal Housing Administration." |
| fiancé |
a man who is engaged to be married. |
| fiancée |
a woman who is engaged to be married. |
| fiasco |
an utter and shameful failure. |
| fiat |
an authoritative, often arbitrary, decree or order. |
| fiat currency |
paper currency that is dependent for its value on a government fiat or decree, and cannot be exchanged for gold or silver. |
| fiat money |
paper currency that is dependent for its value on a government fiat or decree, and cannot be exchanged for gold or silver. |
| fib |
a trivial or unimportant lie. [2 definitions] |
| fiber |
a minute threadlike structure of cotton, wool, asbestos, or the like. [5 definitions] |
| fiberboard |
a building material made by bonding and compressing fibers, usu. of wood, into rigid sheets. |
| fiberglass |
fine filaments of glass made into a fibrous insulating material or molded into a solid material for use as boat hulls, other vehicle bodies, and the like. |
| fiber optics |
a method of transmitting light through fine transparent flexible strands, usu. of glass or plastic. |
| fibre |
a spelling of "fiber" used in Canada and Britain. See "fiber." |
| fibreglass |
a spelling of "fiberglass" used in Canada and Britain. See "fiberglass." |
| fibril |
an extremely small fiber or hairlike structure, as on plant roots. |
| fibrillation |
involuntary and uncoordinated rapid twitching of muscle fibrils, esp. in the heart muscles. [2 definitions] |
| fibrin |
a tough, white, elastic protein formed in the clotting of blood. |
| fibrinogen |
a protein produced by the liver that is changed into fibrin during the clotting of blood. |