fla·vi·vi·rus 
(flāvĭ-vī′rəs)
(flāvĭ-vī′rəs)n. pl. fla·vi·vi·rus·es
Any of a genus of RNA viruses that are transmitted by insects and ticks, including the viruses that cause yellow fever, dengue, and various types of encephalitis.
[FLAV(O)- (because the virus causing yellow fever is the type species of the genus) + VIRUS.]
- four-bagger
- four-by-four
- fourchette
- four-color
- Four Corners
- four-cycle
- four-dimensional
- four-eyed
- four eyes
- four flush
- four-flush
- four-flusher
- four-footed
- fourgon
- fourhanded
- Four-H Club
- Four Horsemen of the Apocalypse
- Four Hundred
- Fourier
- Fourier analysis
- Fourierism
- Fourierist
- Fourierite
- Fourier series
- Fourier transform