| HF | Hageman factor; haplotype frequency; hard filled [capsule]; hay fever; head of fetus; head forward; ... |
|---|---|
| PMSF | phenylmethylsulfonyl fluoride |
| PVDF | polyvinylidene difluoride; polyvinyl diisopropyl fluoride |
| ACT | achievement through counseling and treatment; actin; actinomycin; activated clotting time; advanced ... |
| AcT | acceleration time |
| fluoride | <chemical> The fluoride ion. Low levels of fluoride in drinking water markedly decrease the incidence of dental caries, probably because bacterial metabolism is much more sensitive to low fluoride levels. (18 Nov 1997) |
|---|---|
| fluoride number | The percent inhibition of pseudocholinesterase produced by fluorides; used to differentiate normal from atypical pseudocholinesterases. See: dibucaine number. (05 Mar 2000) |
| fluoride poisoning | Gen or unspecified fluoride; prefer /pois with specific fluoride term (12 Dec 1998) |