| COUNTERFOIL | • counterfoil n. The part of a cheque that is retained in the chequebook as a record; a stub. • COUNTERFOIL n. part of ticket or cheque retained by giver. |
| FLAVOURIEST | • FLAVOURY adj. full of flavour, also FLAVORY. |
| FLUORIDATED | • fluoridated v. Simple past tense and past participle of fluoridate. • FLUORIDATE v. to add fluoride to drinking water. |
| FLUORIDATES | • fluoridates v. Third-person singular simple present indicative form of fluoridate. • FLUORIDATE v. to add fluoride to drinking water. |
| FLUORIMETER | • fluorimeter n. Alternative form of fluorometer. • FLUORIMETER n. an instrument for measuring fluorescence, also FLUOROMETER. |
| FLUORIMETRY | • fluorimetry n. (Chemistry, physics) fluorescence spectroscopy. • FLUORIMETRY n. measurement by fluorimeter, also FLUOROMETRY. |
| FLUORINATED | • fluorinated v. Simple past tense and past participle of fluorinate. • fluorinated adj. (Chemistry) Treated or reacted with fluorine or hydrofluoric acid. • fluorinated adj. (Chemistry) Formally derived from another compound by the replacement of one or more atoms of hydrogen with fluorine. |
| FLUORINATES | • fluorinates v. Third-person singular simple present indicative form of fluorinate. • FLUORINATE v. to introduce fluorine into a chemical compound. |
| FORFICULATE | • FORFICULATE adj. like scissors. |
| INTERFLUOUS | • interfluous adj. Alternative form of interfluent. • INTERFLUOUS adj. flowing between or together, also INTERFLUENT. |
| LACTIFEROUS | • lactiferous adj. Able to secrete milk or a milky fluid. • LACTIFEROUS adj. milk-bearing. |
| LETHIFEROUS | • lethiferous adj. (Obsolete) Deadly, lethal. • LETHIFEROUS adj. causing death; carrying or bearing death. |
| OUTFIELDERS | • outfielders n. Plural of outfielder. • OUTFIELDER n. one who plays in the outfield. |
| PYROSULFITE | • pyrosulfite n. (Inorganic chemistry) metabisulfite. • PYROSULFITE n. as in sodium pyrosulfite, an inorganic compound used as a preservative, antioxidant and disinfectant. |
| QUATREFOILS | • quatrefoils n. Plural of quatrefoil. • QUATREFOIL n. a four-petalled flower or leaf of four leaflets; an openwork design or ornament divided by cusps into four lobes, also QUATREFEUILLE. |
| STYLIFEROUS | • styliferous adj. (Botany) Bearing one or more styles. • STYLIFEROUS adj. bearing a bristle. |