Meanings
nounhydrogen balloon (plural hydrogen balloons)
plural hydrogen balloons
- A type of gas balloon filled with hydrogen gas, and able to fly higher and further than a hot-air balloon.
Cite this entry
APA
hydrogen balloon. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hydrogen%20balloon
MLA
“hydrogen balloon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hydrogen%20balloon. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “hydrogen balloon,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hydrogen%20balloon.
Source: hydrogen balloon on Wiktionary, CC BY-SA 4.0.