Agathis australis
— Noun
– English
～ tall timber tree of New Zealand having white straight-grained wood
aurora australis
— Noun
– English
～ the aurora of the southern hemisphere
australopithecine
— Noun
– English
～ any of several extinct humanlike bipedal primates with relatively small brains of the genus Australopithecus; from 1 to 4 million years ago
Australopithecus africanus
— Noun
– English
～ gracile hominid of southern Africa; from about 3 million years ago
australopithecus
— Noun
– English
～ extinct genus of African hominid
Australopithecus afarensis
— Noun
– English
～ fossils found in Ethiopia; from 3.5 to 4 million years ago
austria
— Noun
– English
～ a mountainous republic in central Europe; under the Habsburgs (1278-1918) Austria maintained control of the Holy Roman Empire and was a leader in European politics until the 19th century
austrian
— Noun
– English
～ a native or inhabitant of Austria
Austro-Asiatic
— Noun
– English
～ a family of languages spoken in southern and southeastern Asia
Austrocedrus
— Noun
– English
～ one species; formerly included in genus Libocedrus
Austronesia
— Noun
– English
～ islands of central and South Pacific (Indonesia and Melanesia and Micronesia and Polynesia)
Austronesian
— Noun
– English
～ the family of languages spoken in Australia and Formosa and Malaysia and Polynesia
Austronesian
— Noun
– English
～ a native or inhabitant of Austronesia
Austrotaxus
— Noun
– English
～ a gymnosperm genus having one species: New Caledonian yew
autacoid
— Noun
– English
～ any physiologically active internal secretion especially one of uncertain classification
autarchy
— Noun
– English
～ a political system governed by a single individual
autarchy
— Noun
– English
～ economic independence as a national policy
autarky
— Noun
– English
～ economic independence as a national policy
auteur
— Noun
– English
～ a filmmaker who has a personal style and keeps creative control over his or her works
authentication
— Noun
– English
～ validating the authenticity of something or someone