1. An apparatus for ascertaining the volume of air which the lungs can contain.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• hipsometer,
• pirometer,
• sklerometer,
• spherrometer,
• sperometer,
• apirometer,
• zpirometer,
• xpirometer,
• dpirometer,
• epirometer,
• wpirometer,
• soirometer,
• spirmeter,
• siprometer,
• sppirometer,
• spyrometer,
• sparometer,
• estrometer,
• denrometer,
• opziometer

• spermatid,
• spermatocele,
• spermaceti,
• spermatocide,
• spherometer,
• spirometery,
• spurner,
• spermatocyte,
• spermatic.

The adjective form of the word "spirometer" is "spirometric".

The plural of the "spirometer" can be the "spirometers".

The singular of the "spirometer" can be the "spirometer".