| ALLOGRAFTED | • allografted adj. Grafted as an allograft. • ALLOGRAFT v. to make a surgical graft from a nonidentical donor. |
| EXTRAFLORAL | • extrafloral adj. (Botany) Describing a nectary that is situated on a leaf or stem rather than in a flower. • EXTRAFLORAL adj. of nectaries borne outside flowers. |
| FACTORIALLY | • factorially adv. (Mathematics) According to a factorial series or ratio. • FACTORIAL adv. relating to a factor. |
| FASTBALLERS | • fastballers n. Plural of fastballer. • FASTBALLER n. in baseball, one who delivers fastballs. |
| FILTRATABLE | • FILTRATABLE adj. that can be filtrated. |
| FLAGELLATOR | • flagellator n. Someone who flagellates; a whipper. • FLAGELLATOR n. one who engages in flagellation. |
| FLATLANDERS | • flatlanders n. Plural of flatlander. • FLATLANDER n. one who lives in flat country. |
| FLATTERABLE | • flatterable adj. Susceptible to flattery. • FLATTERABLE adj. that can be flattered. |
| FRANTICALLY | • frantically adv. In a frantic way. • FRANTIC adv. wild with anxiety. |
| FRATERNALLY | • fraternally adv. In a fraternal manner. • FRATERNAL adv. belonging to a brother or brethren. |
| FRITILLARIA | • fritillaria n. (Botany) Any plant in the genus Fritillaria. • Fritillaria prop.n. A taxonomic genus within the family Liliaceae – the fritillary flowering plants. • Fritillaria prop.n. A taxonomic genus within the family Fritillariidae – many small free-swimming tunicates. |
| LEATHERLEAF | • leatherleaf n. Alternative spelling of leather leaf. • leather␣leaf n. A shrub (Chamaedaphne calyculata) found in the cool temperate and subarctic regions of the Northern Hemisphere. • LEATHERLEAF n. an ericaceous bog shrub with coriaceous leaves. |
| PRATFALLING | • pratfalling v. Present participle of pratfall. • PRATFALL v. to fall on the buttocks, to make a big blunder. |