infrasonic /in-frə-sonˈik/ (acoustics)

1. (of frequencies) below the usual audible limit
2. Of, using or produced by infrasonic vibrations or pressure waves

inˈfrasound noun

• haemins
• haemo-
• haemochromatosis
• haemocoel
• haemocoels
• haemoconia
• haemoconias
• haemocyanin
• haemocyanins
• haemocyte
• haemocytes
• haemocytometer
• haemocytometers
• haemodialyses
• haemodialysis
• haemoglobin
• haemoglobinopathy
• haemoglobins
• haemoglobinuria
• haemolymph
• haemolyses
• haemolysis
• haemolytic
• haemolytic disease of the newborn
• haemonies