| BIOFOULERS | • biofoulers n. Plural of biofouler. • BIOFOULER n. an animal that obstructs or corrupts the environment. |
| BLINDFOLDS | • blindfolds n. Plural of blindfold. • blindfolds v. Third-person singular simple present indicative form of blindfold. • BLINDFOLD v. to cover someone's eyes to prevent them seeing. |
| BLOWFISHES | • blowfishes n. Plural of blowfish. • BLOWFISH n. a marine fish, aka globefish. |
| BUFOTALINS | • bufotalins n. Plural of bufotalin. • BUFOTALIN n. a poisonous substance in the skin and saliva of a common European toad. |
| CONFUSIBLE | • confusible adj. Alternative spelling of confusable. • CONFUSIBLE n. something liable to be confused. |
| FABULOSITY | • fabulosity n. (Uncountable) Fabulousness; the quality of being fabulous; fictitiousness; mythical character. • fabulosity n. (Obsolete, countable) A fabulous thing; a fable. • FABULOSITY n. fabulousness. |
| FIBRILLOSE | • fibrillose adj. Covered with fibrils, such as fungi or the undersurface of some lichens. • FIBRILLOSE adj. having, or covered with, small fibres or the appearance of small fibres. |
| FIBRILLOUS | • fibrillous adj. Alternative spelling of fibrillose. • FIBRILLOUS adj. relating to or having small fibres. |
| FIBROBLAST | • fibroblast n. A cell found in connective tissue that produces fibers, such as collagen. • FIBROBLAST n. a cell in connective tissue from which connective tissue is formed. |
| FIBROLINES | • FIBROLINE n. a yarn of flax, jute and hemp waste. |
| FIBROLITES | • fibrolites n. Plural of fibrolite. • FIBROLITE n. (tradename) a type of building board containing asbestos and cement , also FIBRO, FIBROCEMENT. |
| FIELDBOOTS | • fieldboots n. Plural of fieldboot. • field␣boots n. Plural of field boot. • FIELDBOOT n. a knee-length boot. |
| FLIPBOARDS | • flipboards n. Plural of flipboard. • FLIPBOARD n. a piece of office equipment consisting of a board to which a flip chart or some other pad can be attached. |
| FORBIDDALS | • forbiddals n. Plural of forbiddal. • FORBIDDAL n. the act of forbidding, also FORBIDAL. |
| LIFEBLOODS | • lifebloods n. Plural of lifeblood. • LIFEBLOOD n. the blood necessary to life. |
| MYOFIBRILS | • myofibrils n. Plural of myofibril. • MYOFIBRIL n. a contractile element of a muscle cell. |
| NONBELIEFS | • nonbeliefs n. Plural of nonbelief. • NONBELIEF n. absence of belief. |
| SUBFOSSILS | • subfossils n. Plural of subfossil. • SUBFOSSIL n. part of a fossil. |