Associations to the word «Hf»

Wiktionary

HF, symbol. (element symbol) Symbol for hafnium.
HF, abbreviation. (Internet) have fun
HF, symbol. (chemistry) The molecular formula for hydrogen fluoride (hydrofluoric acid).
HF, abbreviation. Abbreviation of have fun.
HF, symbol. (metrology) Symbol for the hectofarad, an SI unit of electrical capacitance equal to 102 farads.

Dictionary definition

HF, noun. A grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons.
HF, noun. 3 to 30 megahertz.

Wise words

It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Antoine de Saint-Exupery