gaseous

adj

Etymology: Etymology tree Proto-Indo-European *ǵʰeh₂-der. Ancient Greek χαῦνος (khaûnos) Ancient Greek χάος (kháos)der. Dutch gasbor. English gas English -eous English gaseous From gas + -eous.

1. Relating to, or existing as gas (matter in an intermediate state between liquid and plasma).

   “gaseous state”

   “gaseous emissions”

2. Of a liquid containing bubbles: gassy.
3. Lacking substance or solidity; tenuous.

   “Her gaseous explanations left everyone confused.”