airsiden.adj.adv.
/ˈɛːsʌɪd/, U.S. /ˈɛrˌsaɪd/ A. n.
1. The side open to the air; the side on which there is air (as opposed to liquid, etc.).
ΚΠ
1862 F. W. Hartley in A. Wright Anal. Gas (rev. ed.) 41 On the air side the pipes should be extended to some convenient point of discharge.
1879 W. K. Clifford Seeing & Thinking 130 What you call the surface of the water, when you view it from the air-side, is..that which you call the surface of the air when you view it from the water-side.
1962 H. Schulz in Pulmonary Structure & Function: Ciba Found. Symp. 1961 206 [The blood-air pathway] consists on the blood side of the endothelium.., on the air side of the cytoplasmic layer.
2000 Process Engin. (Nexis) Jan. 22 Incorporating routines to calculate heat transfer of both the air side and the tube side of the exchangers.
2. Originally British. The side of an airport terminal building which faces the aircraft and runways. Hence: those areas in an airport which lie beyond security, customs, or immigration controls, into which only passengers and staff are permitted.Contrasted with landside n. Additions b.
ΘΚΠ
society > travel > air or space travel > airfield or airport > [noun] > airport > terminal building > part with access to aircraft
airside1955
1955 Daily Tel. 28 Jan. 6/5 The waving base is on the ‘airside’ as distinct from the ‘landside’ of the building, and thus gives a clear view of the aircraft leaving the ‘terminal apron’.
1982 E. Connor Working at Airport 49/1 There are two main security functions at Gatwick. The first is to control access from landside to airside.
1986 Daily Tel. 18 Apr. 36/4 For several hours the terminal-building was plunged into chaos. ‘Airside’ was sealed off by armed police.
2006 Fire Chief Aug. 48/1 Once you go through the security area, you and all the people working at the airport are on the airside.
B. adj. (attributive).
Belonging to or located on the airside (in either sense).
ΘΚΠ
society > travel > air or space travel > airfield or airport > [adjective] > area of terminal > nearest aircraft
airside1905
1905 Proc. Royal Soc. A. 76 226 Both the densities and the number of grains are greater for the air-side plate.
1967 Times Rev. Industry Apr. 60/3 Expanding the passenger handling capacity of the Number 3 long-haul terminal by extending the airside arrival and departure lounges.
1981 Aviation Week & Space Technol. (Nexis) 14 Sept. 24 Sulzer..provided the air-side compressors and Westinghouse finally provided the exhaust-side equipment.
2003 Which? May 9/3 Some goods were cheaper in the airside branch of Boots.
C. adv.
On or to the airside of an airport.
ΘΚΠ
society > travel > air or space travel > airfield or airport > [adverb] > on side of terminal nearest aircraft
airside1978
1978 Times 23 Aug. 1/3 If passengers are staying on board the weapons can be taken off [the aeroplane] but must be kept ‘air side’.
1996 Independent 29 Aug. i 13/3 The overwhelming majority of shops are ‘airside’ and it requires a plane ticket and passport to reach them.
2007 Sunday Times Trav. May 29/4 If you're airside, you'll be escorted landside, where many airlines let you pay a ‘rescue fee’ to be put on the next available flight.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021).
<
n.adj.adv.1862