aurora borealis

== English == === Etymology === Learned borrowing from New Latin aurōra boreālis (lit. "northern dawn"). === Pronunciation === (Received Pronunciation) IPA(key): /əˌɹɔːɹ.ə ˈbɔːɹ.i.æl.ɪs/ === Noun === aurora borealis The aurora of the northern hemisphere. Synonyms: northern dawn, northern lights, aurora septentrionalis Coordinate terms: aurora australis, southern lights ==== Translations ====