inertgaas tähendus null.

inert gas [inert gasses]▼◼◼◼noun
[UK: ɪ.ˈnɜːt ɡæs] [US: ˌɪ.ˈnɝːt ˈɡæs]

noble gas [noble gases]▼noun
[UK: ˈnəʊb.l̩ ɡæs] [US: ˈnoʊb.l̩ ˈɡæs]