An instrument for calculating the force or number of motivation or expiration in lung area.
a tool used to gauge the force of determination or termination of a person's lung area.
a guitar for calculating the amount of force exerted because of the lung area in respiration.
a musical instrument for calculating the quantity of air inhaled to the lungs at one inspiration and given out at just one termination; a pulmometer; a spirometer. Also called pneumometer, pneumonometer.