intervocalic UK /ˌɪntəvəʊˈkælɪk/US /ˌɪntəɹvoʊˈkælɪk/ adjective1 •Existing or occurring between vowels.For the ending -au, we need to assume the loss of an original intervocalic consonant, as Lat. -au- regularly yields -a- in Sardinian. — 2025