pneumatype

pneu·ma·type

(nū'mă-tīp),
A device for determining the patency of the nasal fossae by exhaling through the nose against a plate of cooled glass.
[G. pneuma, breath, + typos, type]

pneumatype

(nū′mă-tīp) [″ + typos, type]
The deposit of moisture on glass from the breath exhaled through the nostrils with the mouth closed for purpose of comparing the airflow through the nostrils.