hum
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hum
[hum]a low, steady, prolonged sound.
venous hum a continuous blowing, singing, or humming murmur heard on auscultation over the right jugular vein in the sitting or erect position; it is an innocent sign that is obliterated on assumption of the recumbent position or on exerting pressure over the vein.
hum
(hŭm),A low continuous murmur.
[echoic]
hum
(hŭm)A low continuous murmur.