spirometer

[ spahy-rom-i-ter ]

noun

1. an instrument for determining the capacity of the lungs.

spirometer

/ ˌspaɪrəˈmɛtrɪk; spaɪˈrɒmɪtə /

noun

1. See pneumatometer
   an instrument for measuring the air capacity of the lungs Compare pneumatometer

Derived Forms

• spiˈrometry, noun
• spirometric, adjective

Other Words From

• spi·ro·met·ric [spahy-r, uh, -, me, -trik], spiro·metri·cal adjective
• spi·rome·try noun

Word History and Origins

Origin of spirometer¹

First recorded in 1840–50; spiro- ¹ + -meter

Example Sentences

Secure a spirometer and increase the lung capacity until it registers about two hundred and fifty cubic inches.

From Project Gutenberg

Hence, the spirometer directly measures the respiratory capacity, and only indirectly the pulmonary capacity.

From Project Gutenberg

The spirometer only registered 200 cubic inches instead of 260, which, according to Hutchinson's table, was his mean.

From Project Gutenberg

It will be found by occasional trials upon the spirometer that the breathing capacity increases with these exercises.

From Project Gutenberg

Note: I would advise a spirometer for measuring the capacity of the lungs.

From Project Gutenberg