Browse Dictionary by Letter

Comprehensive
Dictionary Suite
Help
Help
Help
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z
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.
fibrinolysis the breakdown of fibrin in blood clots, esp. by enzymes.
fibrinolytic of or pertaining to the breakdown of fibrin in blood clots.
fibro- fiber.
fibroid similar to or composed of fibrous tissue. [2 definitions]
fibroma a benign tumor consisting mainly of fibrous tissue.
fibrosis the development of an abnormal amount of fibrous tissue in or near an organ.
fibrous having, resembling, or composed of fibers.