| DUMBFOUNDERS | • dumbfounders n. Plural of dumbfounder. • DUMBFOUNDER v. to strike dumb; to confuse with astonishment, also DUMBFOUND, DUMFOUND, DUMFOUNDER. |
| FIBROCEMENTS | • FIBROCEMENT n. (tradename) a kind of wallboard, made of compressed asbestos and cement, also FIBRO, FIBROLITE. |
| FIBROSARCOMA | • fibrosarcoma n. (Oncology) A fibroblastic sarcoma: a malignant tumor derived from fibrous connective tissue. • FIBROSARCOMA n. a sarcoma formed of spindle-shaped cells in collagenous fibrils. |
| FIMBRIATIONS | • fimbriations n. Plural of fimbriation. • FIMBRIATION n. the state of being fimbriate. |
| FIREBOMBINGS | • firebombings n. Plural of firebombing. • FIREBOMBING n. the act of attacking with incendiary bombs. |
| FLAMBOYANCES | • flamboyances n. Plural of flamboyance. • FLAMBOYANCE n. the state of being flamboyant, also FLAMBOYANCY. |
| FLAMBOYANTES | • FLAMBOYANTE n. a tropical tree with flame-coloured flowers, also FLAMBOYANT. |
| FLASHMOBBING | • FLASHMOBBING n. the practice of gathering at a given place in response to a message. |
| FOOTLAMBERTS | • footlamberts n. Plural of footlambert. • foot-lamberts n. Plural of foot-lambert. • FOOTLAMBERT n. a unit of luminance of a surface emitting one lumen per square foot. |
| FORMALISABLE | • formalisable adj. Alternative form of formalizable. • FORMALISABLE adj. capable of being formalised, also FORMALIZABLE. |
| GEMFIBROZILS | • GEMFIBROZIL n. a drug that lowers the level of low-density lipoproteins in the blood and is therefore used to treat patients with hypercholesterolaemia. |
| MICROFIBRILS | • microfibrils n. Plural of microfibril. • MICROFIBRIL n. a fine fibril. |
| PLUMBIFEROUS | • plumbiferous adj. Producing or containing lead. • PLUMBIFEROUS adj. bearing or yielding lead. |
| STROBILIFORM | • strobiliform adj. Shaped like a strobile. • STROBILIFORM adj. having the form of a strobil. |
| SUBMANIFOLDS | • submanifolds n. Plural of submanifold. • SUBMANIFOLD n. in mathematics, a subset of a manifold which itself has the properties of a manifold. |