spirograph

spirograph

 [spi´ro-graf]

an apparatus for measuring and recording respiratory movements.

spi·ro·graph

(spī'rō-graf),

A device for representing graphically the depth and rapidity of respiratory movements.

[L. spiro, to breathe, + G. graphō, to write]

spirograph

(spī′rə-grăf′)

n.

An instrument for registering the depth and rapidity of respiratory movements.

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spi′ro·graph′ic adj.

spi′ro·graph′i·cal·ly adv.

spi·rog′ra·phy (spī-rŏg′rə-fē) n.

spi·ro·graph

(spī'rō-graf)

A device for representing graphically the depth and rapidity of respiratory movements.

[L. spiro, to breathe, + G. graphō, to write]

spi·ro·graph

(spī'rō-graf)

Device for representing depth and rapidity of respiratory movements graphically.

[L. spiro, to breathe, + G. graphō, to write]