- an instrument for recording the movements of breathing
WordReference Random House Unabridged Dictionary of American English © 2026
spi•ro•graph
(spī′rə graf′, -gräf′),USA pronunciation n.
spi•ro•graph•ic
(spī′rə graf′ik),USA pronunciation adj.
- Medicinean instrument for recording respiratory movements.
- spiro-1 + -graph
Collins Concise English Dictionary © HarperCollins Publishers::
spirograph /ˈspaɪrəˌɡrɑːf; -ˌɡræf/ n
'spirograph' also found in these entries (note: many are not synonyms or translations):