acapnia /ā- or ə-kapˈni-ə/

Deficiency of carbon dioxide

• ophthalmology
• ophthalmometer
• ophthalmometers
• ophthalmometry
• ophthalmophobia
• ophthalmoplegia
• ophthalmoplegic
• ophthalmoscope
• ophthalmoscopes
• ophthalmoscopic
• ophthalmoscopical
• ophthalmoscopically
• ophthalmoscopy
• opiate
• opiated
• opiates
• opiating
• opificer
• opificers
• opinable
• opine
• opined
• opines
• opinicus
• opinicuses