| ARTIFICIALLY | • artificially adv. In an artificial manner. • artificially adv. By or because of human effort. • ARTIFICIAL adv. humanly contrived often on a natural model. |
| FALLIBILISMS | • fallibilisms n. Plural of fallibilism. • FALLIBILISM n. the doctrine that empirical knowledge is uncertain. |
| FALLIBILISTS | • fallibilists n. Plural of fallibilist. • FALLIBILIST n. one who holds to the doctrine that empirical knowledge is uncertain. |
| FIBRILLATING | • fibrillating v. Present participle of fibrillate. • fibrillating adj. Splitting into fibrils or fibres. • fibrillating adj. Of a muscle, especially in the heart: undergoing fibrillation; quivering. |
| FIBRILLATION | • fibrillation n. The rapid, irregular, and unsynchronized contraction of the muscle fibers of the heart. • FIBRILLATION n. uncoordinated contraction of muscle-fibres in the heart. |
| FIBRILLIFORM | • FIBRILLIFORM adj. in the form of fibrils. |
| FILTRABILITY | • filtrability n. Alternative form of filterability. • FILTRABILITY n. the quality of being filtrable, also FILTERABILITY. |
| FISSILINGUAL | • fissilingual adj. (Zoology) Having the tongue forked. • FISSILINGUAL adj. having a forked or cleft tongue. |
| FOLLICULITIS | • folliculitis n. (Medicine) Inflammation of one or more hair follicles. • FOLLICULITIS n. inflammation of the follicles. |
| FRITILLARIAS | • fritillarias n. Plural of fritillaria. • FRITILLARIA n. any of a widespread genus of bulbous herbs of the lily family with variably colored and often mottled or checkered flowers. |
| FRITILLARIES | • fritillaries n. Plural of fritillary. • FRITILLARY n. several kinds of spotted butterfly and bulbous plant. |
| FUSTILLIRIAN | • FUSTILLIRIAN n. (Shakespeare) a term of abuse, also FUSTILARIAN, FUSTILIRIAN. |
| NULLIFIDIANS | • nullifidians n. Plural of nullifidian. • NULLIFIDIAN n. one of no faith or religion; a skeptic in matters of religion. |
| SIMPLIFIABLE | • simplifiable adj. Capable of being simplified. • SIMPLIFIABLE adj. capable of being simplified. |
| SOLIDIFIABLE | • solidifiable adj. That which can be solidified. • SOLIDIFIABLE adj. that can be solidified. |