| BULLETPROOF | • bulletproof adj. (Of a material) Capable of withstanding a direct shot by a bullet fired from a gun. • bulletproof adj. (Idiomatic) Reliable, infallible, sturdy or error-tolerant. • bulletproof adj. (Usually of an idea or concept) Unbreakable, very tough. |
| FLAMEPROOFS | • flameproofs v. Third-person singular simple present indicative form of flameproof. • FLAMEPROOF v. to make resistant to damage or burning on contact with flame. |
| FLAPDOODLES | • flapdoodles n. Plural of flapdoodle. • flap-doodles n. Plural of flap-doodle. • flap-doodles v. Third-person singular simple present indicative form of flap-doodle. |
| FLAPPERHOOD | • flapperhood n. The state of being a flapper (young woman). • FLAPPERHOOD n. the state of being a flapper. |
| FLUOROPHORE | • fluorophore n. (Biochemistry) A molecule or functional group which is capable of fluorescence. • FLUOROPHORE n. a chemical group responsible for fluorescence. |
| FLUOROSCOPE | • fluoroscope n. (Now rare) A device used to measure the fluorescence of a solution. • fluoroscope n. (Medicine) A device used to view continuous live X-ray images on a fluorescent screen. • fluoroscope v. (Transitive) To examine with a fluoroscope. |
| FLUOROTYPES | • fluorotypes n. Plural of fluorotype. • FLUOROTYPE n. (obsolete) photography by means of fluorides. |
| LADDERPROOF | • LADDERPROOF adj. of tights etc., not susceptible to laddering. |
| PHONOFIDDLE | • phonofiddle n. A Stroh violin. • PHONOFIDDLE n. a one-stringed musical instrument which emits sounds through a metal amplifying horn. |
| PILFERPROOF | • pilferproof adj. Designed to prevent pilfering (thieving), especially of a container. • PILFERPROOF adj. secure against pilfering. |
| POLYOLEFINS | • polyolefins n. Plural of polyolefin. • POLYOLEFIN n. a polymer of an alkene (as polyethylene). |
| PROFITEROLE | • profiterole n. A small, hollow case of choux pastry with a filling. • PROFITEROLE n. (French) a small puff of choux pastry, usually filled with cream and covered with a chocolate sauce. |
| PROLIFEROUS | • proliferous adj. Producing many offspring; prolific or proliferative. • proliferous adj. (Botany) producing many buds or offshoots from leaves or flowers. • proliferous adj. (Zoology) reproducing by budding. |
| SPLAYFOOTED | • splayfooted adj. Having a splayfoot or splayfeet. • splay-footed adj. Having a splayfoot or splayfeet. • SPLAYFOOTED adj. having splayed feet. |
| TEASPOONFUL | • teaspoonful n. A unit of capacity equal to the amount a teaspoon can hold which is taken approximately as 5 ml. • TEASPOONFUL n. the contents of a teaspoon. |
| TOPLOFTIEST | • toploftiest adj. Superlative form of toplofty: most toplofty. • TOPLOFTY adj. high and mighty, haughty, also TOPLOFTICAL. |