1. The plural of gaseousness; the quality or state of being gaseous or having the nature of a gas.
Usage: Rare in standard usage; typically appears in technical or scientific contexts.; The singular form 'gaseousness' is itself uncommon; 'gaseous' is the more standard adjective.

Examples

• The gaseousnesses of different atmospheric compounds vary significantly.
• Scientists studied the gaseousnesses of the samples under different pressure conditions.
• The experiment measured the gaseousnesses of multiple volatile substances.