n.
Pronunciation: sp ī - ' rä-m ə -t ə r
Function: noun
Etymology: International Scientific Vocabulary spiro- (fr. Latin spirare to breathe) + -meter
Date: 1809
: an instrument for measuring the air entering and leaving the lungs
– spi · ro · met · ric \ ˌ sp ī -r ə - ' me-trik \ adjective
– spi · rom · e · try \ sp ī - ' rä-m ə -tr ē \ noun