| BENEFICIATING | • beneficiating v. Present participle of beneficiate. • BENEFICIATE v. to treat ores to remove impurities. |
| BIREFRINGENCE | • birefringence n. (Physics) The splitting of a ray of light into two parallel rays of perpendicular polarization by passage… • BIREFRINGENCE n. the refraction of light in an anisotropic material (as calcite) in two slightly different directions to form two rays. |
| BREASTFEEDING | • breastfeeding n. (Uncountable) The act or process of feeding a baby or young child milk from a lactating breast. • breastfeeding n. (Countable) An instance (session) of such feeding activity. • breastfeeding v. Present participle of breastfeed. |
| BUTTERFINGERS | • butterfingers n. Someone who tends to drop things; (more generally) someone who is clumsy or uncoordinated; a klutz. • butterfingers n. One’s fingers which tend to drop things, or are clumsy or uncoordinated. • butterfingers n. A tendency to drop things, or to be clumsy or uncoordinated. |
| FATIGABLENESS | • fatigableness n. Susceptibility to fatigue. • FATIGABLE n. easily tired, also FATIGUABLE. |
| FINGERBREADTH | • fingerbreadth n. A (usually approximate and informal) unit of measurement based upon the radial width of the human finger. • FINGERBREADTH n. the breadth of a finger. |
| FLABBERGASTED | • flabbergasted adj. Appalled, annoyed, exhausted or disgusted. • flabbergasted adj. (Euphemistic, rare) Damned. • flabbergasted v. Simple past tense and past participle of flabbergast. |
| FRANGIBLENESS | • frangibleness n. The quality of being frangible. • FRANGIBLE n. readily broken; breakable. |
| FUSSBUDGETIER | • FUSSBUDGETY adj. like a fussbudget, a person who fusses about unimportant things. |
| INDEFATIGABLE | • indefatigable adj. Extremely persistent and untiring. • INDEFATIGABLE adj. incapable of being fatigued. |
| IRREFRANGIBLE | • irrefrangible adj. Not to be broken or transgressed against; inviolable. • irrefrangible adj. (Physics) Incapable of being refracted. • IRREFRANGIBLE adj. that cannot or should not be broken. |
| UNFORGETTABLE | • unforgettable adj. Very difficult or impossible to forget. • UNFORGETTABLE adj. incapable of being forgotten. |