| FILOVIRUSES | • filoviruses n. Plural of filovirus. • Filoviruses n. Plural of Filovirus. • FILOVIRUS n. any member of a family of viruses that includes the agents responsible for Ebola virus disease and Marburg disease. |
| FISSIPAROUS | • fissiparous adj. Factious, tending to break into pieces. • fissiparous adj. Causing division or fragmenting something. • fissiparous adj. (Cytology) Of cells that reproduce through fission, splitting into two. |
| FLUORIDISES | • fluoridises v. Third-person singular simple present indicative form of fluoridise. • FLUORIDISE v. to add fluoride to drinking water, also FLUORIDIZE. |
| FLUXIONISTS | • fluxionists n. Plural of fluxionist. • FLUXIONIST n. one skilled in fluxions. |
| FORTUITISMS | • FORTUITISM n. belief in evolution by chance variation. |
| FORTUITISTS | • fortuitists n. Plural of fortuitist. • FORTUITIST n. one who believes in evolution by chance variation. |
| FUNGOSITIES | • fungosities n. Plural of fungosity. • FUNGOSITY n. the quality of being fungous. |
| FURIOSITIES | • FURIOSITY n. madness. |
| INFUSIONISM | • infusionism n. The doctrine that the soul exists before the body and is infused into it at conception or birth. • INFUSIONISM n. the doctrine that at the birth of each individual a preexisting soul is implanted in his body. |
| INFUSIONIST | • infusionist n. One who believes in infusionism. • INFUSIONIST n. a believer in infusionism. |
| INFUSORIANS | • infusorians n. Plural of infusorian. • INFUSORIAN n. an obsolete term for small aquatic organisms, rotifers, algae etc. |
| MISFOCUSING | • misfocusing v. Present participle of misfocus. • MISFOCUS v. to focus badly. |
| REINFUSIONS | • reinfusions n. Plural of reinfusion. |
| SPINIFEROUS | • spiniferous adj. Having spines or thorns; spiny, thorny. • SPINIFEROUS adj. bearing spines, also SPINIGEROUS. |
| SPIRIFEROUS | • spiriferous adj. Of or relating to spirifers. • SPIRIFEROUS adj. of a shell, having a spire. |