1. suitable or fit for breathing; able to be inhaled safely
Usage: often used in medical or scientific contexts

Examples

• The air quality monitor ensures the atmosphere remains respirable for workers.
• Dust particles smaller than 10 microns are considered respirable and can reach the lungs.
• The mining company installed ventilation systems to maintain respirable air underground.
• Scientists tested whether the planet’s atmosphere would be respirable for humans.
• The fire department checked that the building had respirable air before allowing entry.
• Respirable crystalline silica poses serious health risks to construction workers.