Meanings
noununderpressure (plural underpressures)
plural underpressures
- insufficient pressure; a marked drop in pressure
The expanding-hot-channel mechanism predicts an initial positive pressure change (an overpressure) while the electrostatic-pressure-relief mechanism predicts an initial negative pressure change (an underpressure).
2007, Vladimir A. Rakov, Martin A. Uman, Lightning: Physics and Effects, page 378
Synonyms & antonyms
Opposite
Origin
- Proto-Indo-European*h₁én
- Proto-Indo-European*h₁entér
- Proto-Indo-European*h₂én
- Proto-Indo-European*dʰeh₁-?
- Proto-Indo-European*(H)n̥dʰí
- Proto-Indo-European*(H)n̥dʰér
- Proto-Germanic*under
- Proto-West Germanic*undar
- Old Englishunder-
- Middle Englishunder-
- Englishunder-
- Englishpressure
- Englishunderpressure
Translations
Czech podtlak
- podtlakinsufficient pressure
Finnish alipaine
- alipaineinsufficient pressure
German Unterdruck
- Unterdruckinsufficient pressure
Swedish undertryck
- undertryckinsufficient pressure
Cite this entry
APA
underpressure. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/underpressure
MLA
“underpressure.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/underpressure. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “underpressure,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/underpressure.
Source: underpressure on Wiktionary, CC BY-SA 4.0.