Finnish edit

Etymology edit

From yli- (over, past) +‎ ääni (sound, voice). Calque of English hypersonic.

Pronunciation edit

  • IPA(key): /ˈyliˌæːni/, [ˈyliˌæːni]

Prefix edit

yliääni-

  1. hypersonic
    Synonym: hypersooninen

Derived terms edit