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

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.
Oliver Wendell Holmes, Jr.