| CRISTIFORM | • cristiform adj. Resembling a crest. • CRISTIFORM adj. in the form of a crest. |
| FAVORITISM | • favoritism n. (American spelling) Alternative form of favouritism. • FAVORITISM n. the showing of special favor. |
| FILMSTRIPS | • filmstrips n. Plural of filmstrip. • film␣strips n. Plural of film strip. • FILMSTRIP n. a film consisting of a series of stills to be shown separately and consecutively. |
| FIMBRIATES | • fimbriates v. Third-person singular simple present indicative form of fimbriate. • FIMBRIATE v. to border with a narrow band or edge. |
| FORTISSIMI | • fortissimi n. Plural of fortissimo. • FORTISSIMO n. a very loud passage in music. |
| FORTISSIMO | • fortissimo adv. (Music) Indicating that the piece is played very loud. • fortissimo n. (Music) The dynamic sign indicating that the piece should be played fortissimo. Abbreviation: ff. • FORTISSIMO adj. (Italian) very loud; with the utmost strength or loudness. |
| FORTUITISM | • fortuitism n. The doctrine that chance is involved in natural events rather than absolute determinism. • FORTUITISM n. belief in evolution by chance variation. |
| FUMITORIES | • fumitories n. Plural of fumitory. • FUMITORY n. a plant once used to treat scurvy, also FEMETARY, FEMITER, FENITAR. |
| METRIFIERS | • metrifiers n. Plural of metrifier. • METRIFIER n. one who metrifies. |
| MORTIFIERS | • mortifiers n. Plural of mortifier. • MORTIFIER n. one who mortifies. |
| MYSTIFIERS | • mystifiers n. Plural of mystifier. • MYSTIFIER n. one who mystifies. |
| STILLIFORM | • stilliform adj. Having the shape or structure of a drop. • STILLIFORM adj. having the shape of a drop or globule. |
| STRIGIFORM | • strigiform n. Any owl of the order Strigiformes. • STRIGIFORM adj. shaped like an owl. |
| TRIFOLIUMS | • trifoliums n. Plural of trifolium. • TRIFOLIUM n. (Latin) any leguminous plant of the large genus Trifolium, characterized by trifoliate leaves. |