plural of Court of Aids

plural of compressed-air bath

(historical) A strong metal chamber in which a patient can sit, and into which air is driven by a steam engine to any required pressure; an obsolete form of physical therapy.

plural of air quote

Built upon air; lacking a solid foundation.

A unit in the point system created by many airlines as part of their frequent flyer programs, which can be redeemed for free flights and other rewards. Traditionally airlines have awarded one airline mile per mile flown, but increasingly airline miles have been awarded based on other factors such as ticket price.

plural of air knife

A device with a series of holes or slots through which pressurized air exits in a laminar flow pattern, typically used to blow liquid or debris from products as they travel on conveyors.

plural of first-aid kit

A test that measures intraocular pressure (and hence glaucoma risk) by blowing a puff of air at the patient's cornea.