ArdiaeiAn Illyrian nation that occupied the territory of present-day Albania, Kosovo, Montenegro, Bosnia and Herzegovina, and Croatia from the 3rd century BC to 168 BC.
ardianA proposed but unadopted air-officer rank of the Royal Air Force equivalent to air vice-marshal.
ArdingA locality in the Uralla council area, north eastern New South Wales, Australia.
ArdinglyA village and civil parish in Mid Sussex district, West Sussex, England (OS grid ref TQ3429).
ArdingtonA village and civil parish (served by Ardington and Lockinge Parish Council) in Vale of White Horse district, Oxfordshire, England (OS grid ref SU4388).
ardipithAny of the hominids of the extinct genus Ardipithecus.
ArdleighA village and civil parish in Tendring district, Essex, England (OS grid ref TM0529).
ArdleishA locality without roads opposite Ardlui at the north end of Loch Lomond, Argyll and Bute council area, Scotland (OS grid ref NN3215).
ArdlerA suburb of Dundee, City of Dundee council area, Scotland (OS grid ref NO3733).
ArdlethanA locality in the Bland council area, Coolamon council area and the Narrandera council area, central New South Wales, Australia.
ArdleyA village and civil parish in Cherwell district, Oxfordshire, England (OS grid ref SP5427).
ArdluiA hamlet in Argyll and Bute council area, Scotland (OS grid ref NN3115)
ArdmonaA town in the City of Greater Shepparton, north eastern Victoria, Australia.
ArdmoreA promontory on the Firth of Clyde, Argyll and Bute council area, Scotland, between Helensburgh and Cardross (OS grid ref NS3178)
ArdnacrushaA village and hydroelectric power station in County Clare, Ireland.
ArdnamurchanA peninsula in Lochaber, Highland council area, on the west coast of Scotland, strictly speaking west of the villages of Acheracle and Salen (OS grid squares NM46, NM56, NM66).
ArdoA locality north of Methlick, north Aberdeenshire council area, Scotland (OS grid ref NJ8539).
ArdochA hamlet in Argyll and Bute council area, Scotland (OS grid ref NS3676).
areAn accepted (but deprecated and rarely used) metric unit of area equal to 100 square metres, or a former unit of approximately the same extent. Symbol: a.
areaA measure of the extent of a surface; it is measured in square units.
arenaAn enclosed area, often outdoor, for the presentation of sporting events (sports arena) or other spectacular events; earthen area, often oval, specifically for rodeos (North America) or circular area for bullfights (especially Hispanic America).
arenastatinOne of a family of peptolides produced by cyanobacteria in lichens with IUPAC name (3S,10R,13Z,16S)-10-[(4-methoxyphenyl)methyl]-3-(2-methylpropyl)-16-[(1S)-1-[(2R,3R)-3-phenyloxiran-2-yl]ethyl]-1,4-dioxa-8,11-diazacyclohexadec-13-ene-2,5,9,12-tetrone.
arenationA form of therapeutic bathing in hot sand.