Meanings
nounullage gas (countable and uncountable, plural ullage gases)
plural ullage gases
- countableuncountablewaste gas (gaseous phase fluid), which fills the ullage space of a tank
Cite this entry
APA
ullage gas. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ullage%20gas
MLA
“ullage gas.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ullage%20gas. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “ullage gas,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ullage%20gas.
Source: ullage gas on Wiktionary, CC BY-SA 4.0.