| FIBRILLIN | • fibrillin n. A glycoprotein present in human skin, necessary for forming the elastic fibres in connective tissue. • FIBRILLIN n. a protein found in connective tissue. |
| FIBRINOID | • fibrinoid adj. Resembling fibrin. • fibrinoid n. An acellular material similar to fibrin. • FIBRINOID adj. of or like fibrin. |
| FILIGRAIN | • filigrain n. Alternative form of filigrane. • FILIGRAIN n. (French) a kind of ornamental metallic lacework, also FILAGREE, FILIGRANE, FILIGREE, FILLAGREE. |
| FINICKIER | • finickier adj. Comparative form of finicky: more finicky. • FINICKY adj. difficult to please, also FINNICKY. |
| INFIRMING | • infirming v. Present participle of infirm. • INFIRM v. to weaken or destroy the validity of. |
| INFIRMITY | • infirmity n. Feebleness, frailty or ailment, especially due to old age. • infirmity n. A moral weakness or defect. • INFIRMITY n. weakness, frailty. |
| MISFIRING | • misfiring v. Present participle of misfire. • misfiring n. The situation where something misfires. • MISFIRE v. to fail to fire. |
| NIGRIFIED | • nigrified v. Simple past tense and past participle of nigrify. • NIGRIFY v. to blacken. |
| NIGRIFIES | • nigrifies v. Third-person singular simple present indicative form of nigrify. • NIGRIFY v. to blacken. |
| NITRIFIED | • nitrified v. Simple past tense and past participle of nitrify. • NITRIFY v. to combine with nitrogen. |
| NITRIFIER | • nitrifier n. (Chemistry) An agent employed in nitrification. • NITRIFIER n. an agent employed in nitrification. |
| NITRIFIES | • nitrifies v. Third-person singular simple present indicative form of nitrify. • NITRIFY v. to combine with nitrogen. |
| SIGNIFIER | • signifier n. Something or someone that signifies, makes something more significant or important. • signifier n. (Linguistics) The sound of a spoken word or string of letters on a page that a person recognizes as a sign. • SIGNIFIER n. something that signifies. |