spi·rom·e·ter 
(spī-rŏmĭ-tər)
(spī-rŏmĭ-tər)n.
An instrument for measuring the volume of air entering and leaving the lungs.
spi′ro·metric (-rə-mĕtrĭk) adj.
spi·rome·try n.
- biomathematical
- biomathematician
- biomathematics
- biome
- biomechanical
- biomechanically
- biomechanics
- biomedical
- biomedical engineering
- biomedicine
- biometeorology
- biometric
- biometrical
- biometrically
- biometrics
- biometry
- biomorph
- biomorphic
- biomorphism
- bionic
- bionics
- bionomic
- bionomical
- bionomically
- bionomics