[te.tral.o.gy] n, pl -gies [Gk tetralogia, fr. tetra- + -logia -logy] (1656) 1: a group of four dramatic pieces presented consecutively on the Attic stage at the Dionysiac festival
2: a series of four connected works (as operas or novels)
[te.tral.o.gy] n, pl -gies [Gk tetralogia, fr. tetra- + -logia -logy] (1656) 1: a group of four dramatic pieces presented consecutively on the Attic stage at the Dionysiac festival
2: a series of four connected works (as operas or novels)
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012