invariabile significa in inglese

invariable▼(not variable)
adjective
[UK: ɪn.ˈveə.rɪəb.l̩] [US: ɪn.ˈveə.rɪəb.l̩]

uncountable▼(linguistics: about a noun which cannot be counted)
adjective
[UK: ʌnˈk.aʊn.təb.l̩] [US: ʌnˈk.aʊn.təb.l̩]