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Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
infrasonic is an adjective meaning "having frequencies below those of audible sound". It carries one recorded sense.
having frequencies below those of audible sound
Definitions, synonyms and semantic relations for infrasonic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.
147,478 entries in AltF Lexicon, every one with its syllables marked.
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