spirograph

spirograph

[spahy-ruh-graf, -grahf]
noun
an instrument for recording respiratory movements.

Origin:
spiro-1 + -graph

spirographic [spahy-ruh-graf-ik] , adjective
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World English Dictionary
spirograph (ˈspaɪrəˌɡrɑːf, -ˌɡræf)
 
n
med an instrument for recording the movements of breathing
 
spiro'graphic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

spirograph spi·ro·graph (spī'rə-grāf')
n.
An instrument for registering the depth and rapidity of respiratory movements.


spi'ro·graph'ic adj.
spi·rog'ra·phy (spī-rŏg'rə-fē) n.
The American Heritage® Stedman's Medical Dictionary
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