| COLORFASTNESS | • colorfastness n. The characteristic of being colorfast. • COLORFAST n. having colours that retain their original hue without running or fading, also COLOURFAST. |
| CONFABULATORS | • confabulators n. Plural of confabulator. • CONFABULATOR n. one who confabulates. |
| FLAVOPROTEINS | • flavoproteins n. Plural of flavoprotein. • FLAVOPROTEIN n. a protein which serves as an electron carrier in the electron transfer chain. |
| FLUORIDATIONS | • fluoridations n. Plural of fluoridation. • FLUORIDATION n. the act of fluoridating. |
| FLUORINATIONS | • fluorinations n. Plural of fluorination. • FLUORINATION n. the act of fluorinating. |
| FLUOROCARBONS | • fluorocarbons n. Plural of fluorocarbon. • FLUOROCARBON n. any of a series of compounds of fluorine and carbon. |
| FOOLHARDINESS | • foolhardiness n. The quality of being foolhardy. • FOOLHARDINESS n. the state of being foolhardy. |
| FORMALISATION | • formalisation n. (British spelling) Alternative spelling of formalization. • FORMALISATION n. the act of formalising, also FORMALIZATION. |
| FURAZOLIDONES | • furazolidones n. Plural of furazolidone. • FURAZOLIDONE n. an antimicrobial drug used against bacteria and some protozoa esp. in infections of the gastrointestinal tract. |
| MALFORMATIONS | • malformations n. Plural of malformation. • MALFORMATION n. faulty structure, deformity. |
| NONCOLOURFAST | • noncolourfast adj. Alternative form of noncolorfast. • NONCOLOURFAST adj. not colourfast, also NONCOLORFAST. |
| OMNIFARIOUSLY | • omnifariously adv. In an omnifarious manner. • OMNIFARIOUS adv. of all kinds. |
| PASSIONFLOWER | • passionflower n. Any of very many vines, in North America and elsewhere, of the genus Passiflora that bear edible fruit… • passionflower n. The flower of this plant. • Passionflower n. Alternative letter-case form of passionflower. |
| PERFOLIATIONS | • PERFOLIATION n. the state of being perfoliate. |
| PREFLORATIONS | • preflorations n. Plural of prefloration. • PREFLORATION n. the manner in which the petals and sepals are folded in the flower-bud. |
| PREFOLIATIONS | • prefoliations n. Plural of prefoliation. • PREFOLIATION n. the manner in which the leaf is folded within the leaf bud, vernation. |
| PROFESSIONALS | • professionals n. Plural of professional. • PROFESSIONAL n. one that is professional. |