WordReference Random House Unabridged Dictionary of American English © 2026
pneu•ma•tom•e•ter
(no̅o̅′mə tom′i tər, nyo̅o̅′-),USA pronunciation n.
- Medicinean instrument for measuring either the quantity of air inhaled or exhaled during a single inspiration or expiration or the force of inspiration or expiration.
- pneumato- + -meter 1825–35