underpressure
suomi-englanti sanakirjaunderpressure englanniksi
insufficient pressure; a marked drop in pressure
{{quote-text|en|year=2007|author=Vladimir A. Rakov; Martin A. Uman|title=Lightning: Physics and Effects|page=378
insufficient pressure; a marked drop in pressure
{{quote-text|en|year=2007|author=Vladimir A. Rakov; Martin A. Uman|title=Lightning: Physics and Effects|page=378