The balloons will have to have an altitude deflator. When a balloon reaches a certain predetermined altitude, the deflator will begin to let out the helium gas to the point of restricting the ultimate ascension of the balloon.
Source: wiktionary
Deflator
Synonyms for "deflator" (7 found)
Ranked by relevance and common usage.
Closest matches (2)
Noun(2 words)
bleeder valvedecompressor
Strong matches (2)
Noun(2 words)
deflating measureinflation index
Related words (3)
Noun(3 words)
price indexprice level indexvent valve
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
7 entriesMore specific
5 entriesGDP deflatorbleeder valveimplicit price deflatorpressure relief valvevent valve
Collocations
6 entriesGDP deflatordeflation adjustmentdeflator indexdeflator rateimplicit price deflatorprice index
Inflections
1 entriesDerivations
3 entriesSample sentences
1 total sentences available.