infra-sónico

See also: infrasónico

Portuguese

Adjective

infra-sónico (feminine infra-sónica, masculine plural infra-sónicos, feminine plural infra-sónicas)

  1. (European Portuguese) Pre-reform spelling (until 1990) of infrassónico. Still used in countries where the agreement hasn't come into effect; may occur as a sporadic misspelling.
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