air rate
21Air Passenger Duty — (APD) is an excise duty which is charged on the carriage of passengers flying from a United Kingdom airport on an aircraft that has an authorised take off weight of more than ten tonnes or more than twenty seats for passengers.Air Passenger Duty… …
22Air-independent propulsion — (AIP) is a term that encompasses technologies which allow a submarine to operate without the need to surface or use a snorkel to access atmospheric oxygen. The term usually excludes the use of nuclear power, and describes augmenting or replacing… …
23air|om|e|ter — «air OM uh tuhr», noun. 1. a container for holding and measuring air. 2. an apparatus for measuring the quantity or rate of flow of air …
24air piracy — air′ pi racy n. crl the hijacking of an airplane; skyjacking • Etymology: 1945–50 air′ pi rate, n …
25air hunger — n deep labored breathing at an increased or decreased rate (as in acidosis) * * * Kussmaul respiration …
26air velocity — rate at which air moves …
27Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …
28Air traffic control — For the Canadian musical group, see Air Traffic Control (band). Airport Traffic Control Towers (ATCTs) at Amsterdam s Schiphol Airport, the Netherlands …
29Air purifier — An air purifier is a device which removes contaminants from air. Air purifiers are commonly marketed as being particularly beneficial to allergy sufferers and asthmatics, and at reducing second hand tobacco smoke. Use of purifiers Dust, pollen,… …
30Air handler — An air handling unit; air flow is from the right to left in this case. Some AHU components shown are: 1 Supply duct 2 Fan compartment 3 Vibration isolator ( flex joint ) 4 Heating and/or cooling coil 5 Filter compartment 6 Mixed (recirculated +… …
