1. (noun) a device that facilitates breathing in cases of respiratory failure

• breathing apparatus
• breathing device
• breathing machine

1. (noun) a device that facilitates breathing in cases of respiratory failure

• aqua-lung
• aqualung
• scuba
• inhalator
• respirator
• oxygen mask
• resuscitator
• snorkel

1. (noun) a device (such as a fan) that introduces fresh air or expels foul air

• device

2. (noun) a device that facilitates breathing in cases of respiratory failure

• device

1. (noun) a device (such as a fan) that introduces fresh air or expels foul air

• air
• air out
• vent
• ventilate
• ventilate
• ventilate