Hf

Symbol for hafnium.

* * *

Hageman factor; half-Fourier; haplotype frequency; hard filled [capsule]; hay fever; head forward; head of fetus; heart failure; helper factor; hemofiltration; hemorrhagic factor; hemorrhagic fever; Hertz frequency; high fat [diet]; high flow; high frequency; hippocampal formation; human factor; human fibroblast; humidifier fever; hydrogen fluoride; hyperflexion

* * *

Hf symbol hafnium

* * *

Hageman factor (factor XII; see coagulation factors, under factor); high frequency.