Hv vs Vacuum - What's the difference?
hv | vacuum |
high voltage
high velocity
A region of space that contains no matter.
A vacuum cleaner.
The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.
As a noun vacuum is
(rare|chiefly|netherlands).hv
English
===(en)=== (head)vacuum
English
Alternative forms
* (rare)Noun
(wikipedia vacuum) (en-noun)- a vacuum of 26 inches of mercury, or 13 pounds per square inch