infrassónico

== Portuguese == === Alternative forms === infrassônico (Brazil) infra-sónico (pre-1990 spelling, Portugal) infra-sônico (pre-1990 spelling, Brazil) === Etymology === From infra- +‎ sónico. === Pronunciation === Hyphenation: in‧fras‧só‧ni‧co === Adjective === infrassónico (feminine infrassónica, masculine plural infrassónicos, feminine plural infrassónicas) infrasonic === Further reading === “infrassónico”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026