(from the article `ear, human`) ...When an individual has otosclerosis or another conductive defect of the middle ear, there may be a sizable difference between the air-conduction ... Found on http://www.britannica.com/eb/a-z/a/33
The difference between the threshold for hearing acuity by bone conduction and by air conduction. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973