bn:00073448n
Noun Concept
EN
spirograph
EN
A measuring instrument for recording the depth and rapidity of breathing movements WordNet 3.0
Definitions
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EN
A measuring instrument for recording the depth and rapidity of breathing movements WordNet 3.0 & Open English WordNet
An instrument for measuring and recording the depth and rapidity of breathing movements. Wiktionary
WordNet 3.0 & Open English WordNet
Wiktionary