| Flu | a nonmetallic univalent element belonging to the halogens |
|---|---|
| Flu | a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light |
| Flu | an acid of fluorine and boron |
| Flu | a salt of fluoroboric acid |
| Flu | a halocarbon in which some hydrogen atoms have been replaced by fluorine |
| Flu | a plastic made with fluorocarbon |
| Flu | any of various fluorescent substances used in fluorescence microscopy to stain specimens |
| Flu | colorless gas haloform CHF3 (similar to chloroform) |
| Flu | an X-ray machine that combines an X-ray source and a fluorescent screen to enable direct observation |
| Flu | examination of body structures using a fluoroscope |
| Flu | a pathological condition resulting for an excessive intake of fluorine (usually from drinking water) |
| Flu | an antimetabolite used to treat certain cancers |