Definitions

from The Century Dictionary.

  • noun An apparatus for recording the movements of the diaphragm during respiration.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol.) An instrument for registering the movements of the diaphragm, or midriff, in respiration.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physiology An instrument for registering the movements of the diaphragm, or midriff, in respiration.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek

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