What is Advena?

Legal Definition
The South African nuclear weapons production facility, having been transferred in 1979 from the Pelindaba nuclear research center to the state-owned Armaments Corporation of South Africa (Armscor), was later developed as the Kentron Circle facility. This facility, built in 1980, and located 20km west of Pretoria, was subsequently renamed Advena.
-- Wikipedia
Legal Definition
In Roman law. One of foreign birth, who has left his own country and settled elsewhere, and who has not acquired citizenship in his new locality; often called albanus. Du Cange.
-- Black's Law Dictionary
Legal Definition
An unnaturalized alien.
-- Ballentine's Law Dictionary