spirograph

 : 
Noun
 : 
spi=ro=graph

WORDNET DICTIONARY

Noun spirograph has 1 sense

CIDE DICTIONARY

spirographn. [L. spirare to breathe + -graph.].
     An instrument for recording the respiratory movements, as the sphygmograph does those of the pulse.  [1913 Webster]

OXFORD DICTIONARY

spirograph, n. an instrument for recording breathing movements.

Derivative
spirographic adj. spirographically adv.

For further exploring for "spirograph" in Webster Dictionary Online


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