| BIOFOULERS | • biofoulers n. Plural of biofouler. • BIOFOULER n. an animal that obstructs or corrupts the environment. |
| FEBRICULAS | • febriculas n. Plural of febricula. • FEBRICULA n. a slight short fever, also FEBRICULE. |
| FEBRICULES | • febricules n. Plural of febricule. • FEBRICULE n. a slight short fever, also FEBRICULA. |
| FIBERFILLS | • fiberfills n. Plural of fiberfill. • FIBERFILL n. (US) synthetic fibres used as a filling material, also FIBREFILL. |
| FIBERGLASS | • fiberglass n. (American spelling) Alternative form of fibreglass. • fiberglass v. (American spelling) Alternative form of fibreglass. • FIBERGLASS v. (US) to coat with fiberglass, a synthetic fibre made of fine filaments of molten glass, also FIBREGLASS. |
| FIBREFILLS | • fibrefills n. Plural of fibrefill. • FIBREFILL n. synthetic fibres used as a filling material, also FIBERFILL. |
| FIBREGLASS | • fibreglass n. Silica based glass extruded into fibers that possess a length at least 1000 times greater than their width. • fibreglass n. Ellipsis of fibreglass wool. • fibreglass n. A composite material made from fine fibres of spun glass held together with resin. |
| FIBRILLINS | • fibrillins n. Plural of fibrillin. • FIBRILLIN n. a protein found in connective tissue. |
| FIBRILLOSE | • fibrillose adj. Covered with fibrils, such as fungi or the undersurface of some lichens. • FIBRILLOSE adj. having, or covered with, small fibres or the appearance of small fibres. |
| FIBRILLOUS | • fibrillous adj. Alternative spelling of fibrillose. • FIBRILLOUS adj. relating to or having small fibres. |
| FIBROBLAST | • fibroblast n. A cell found in connective tissue that produces fibers, such as collagen. • FIBROBLAST n. a cell in connective tissue from which connective tissue is formed. |
| FIBROLINES | • FIBROLINE n. a yarn of flax, jute and hemp waste. |
| FIBROLITES | • fibrolites n. Plural of fibrolite. • FIBROLITE n. (tradename) a type of building board containing asbestos and cement , also FIBRO, FIBROCEMENT. |
| FILIBUSTER | • filibuster n. A mercenary soldier; a freebooter; specifically, a mercenary who travelled illegally in an organized… • filibuster n. (US politics) A tactic (such as giving long, often irrelevant speeches) employed to delay the proceedings… • filibuster n. (US politics) A member of a legislative body causing such an obstruction; a filibusterer. |
| FLIPBOARDS | • flipboards n. Plural of flipboard. • FLIPBOARD n. a piece of office equipment consisting of a board to which a flip chart or some other pad can be attached. |
| FLYBRIDGES | • flybridges n. Plural of flybridge. • FLYBRIDGE n. an open deck on a cabin cruiser. |
| FORBIDDALS | • forbiddals n. Plural of forbiddal. • FORBIDDAL n. the act of forbidding, also FORBIDAL. |
| MYOFIBRILS | • myofibrils n. Plural of myofibril. • MYOFIBRIL n. a contractile element of a muscle cell. |
| RIFLEBIRDS | • riflebirds n. Plural of riflebird. • RIFLEBIRD n. each of three birds of paradise of the genus Ptiloris, having velvety black plumage with bright coloured patches, and a long bill. |
| SUBFERTILE | • subfertile adj. Exhibiting subfertility. • SUBFERTILE adj. not very fertile. |