infrasound

Meanings

Plural: infrasounds

Noun

Sound waves having a frequency below the human audible range (below about 20 Hz).

Origin / Etymology

From infra- + sound.

Antonyms

ultrasound

Scrabble Score: 14

infrasound is a valid Scrabble (US) TWL word
infrasound is not valid in Scrabble (MW) Merriam-Webster Dictionary
infrasound is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 17

infrasound is a valid Words With Friends word