spirograph
From WikiWord, the free dictionary
English
Definitions
noun
- An instrument for measuring and recording the depth and rapidity of breathing movements
Related words
Synonyms
spirographyspirogramspiroscopecardiorespirographyspirometerspiroergometerspirometresphygmoscopeergospirometerspirometrymicrospirometerpulmometerpneumotachographsphygmographbronchospirometerinspirometer