infrasound
Definition
noun. sound with frequencies below the audible range
Example Sentence
An infrasound is too low to be heard by a human.
Synonyms
sound below audible range; low frequency sound; sound with a low frequency
Antonyms
ultrasound
An infrasound is too low to be heard by a human.
sound below audible range; low frequency sound; sound with a low frequency
ultrasound