A device for determining the permeability of the nasal fossae by exhaling through the nose against a plate of cooled glass. ... Origin: G. Pneuma, breath, + typos, type ... (05 Mar 2000) ... 
Type: Term Pronunciation: nū′mă-tīp Definitions: 1. A device for determining the patency of the nasal fossae by exhaling through the nose against a plate of cooled glass.