infrasound

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

   Infraschall

   инфразву́кinfrazvúk

1. Scientists think that giraffes use infrasound to communicate over long distances.

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2. The larger church organs use infrasound, which people do not hear, but feel as vibrations in their bodies.

   deGrößere Kirchenorgeln nutzen Infraschall, den der Mensch zwar nicht hört, aber als Vibrationen im Körper spürt. — BraveSentry

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3. Research by Jon Hagstrum suggests that homing pigeons use low-frequency infrasound to find their way home.

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4. At the other end of the spectrum are very low-frequency sounds (below 20 Hz), known as infrasound.

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