Bible Dictionary
Sinaiticus codex
The Sinaiticus Codex is an ancient Greek manuscript containing substantial portions of the Old Testament and a nearly complete New Testament, along with early Christian writings. It is generally dated to the fourth century.
Biblical Usage
The codex contains the four Gospels, Paul’s epistles, Acts, the Catholic Epistles, and the Apocalypse of John. It is described as the only complete uncial Greek copy of the New Testament among the manuscripts discussed.