enriched air blends
nounUK /ɪnˈrɪtʃt ɛː blɛndz/
US /ɪnˈrɪtʃt ɛr blɛndz/
These are special mixes of air with extra oxygen that divers breathe.
The dive shop filled our tanks with enriched air blends for the deep reef trip.
OTHER MEANINGS
2. Breathing gas mixtures used in hospitals to help patients get more oxygen.
The clinic uses enriched air blends for patients with breathing trouble.
3. Custom air mixtures for high-altitude climbers or pilots.
Climbers carried enriched air blends to cope with thin mountain air.
4. Engineered air mixes for industrial welding and cutting.
The factory ordered enriched air blends for its welding torches.