epoch
epoch /'iːpɒk, AM 'epək/ (epochs)
[N-COUNT] usu with supp
If you refer to a long period of time as an epoch, you mean that important events or great changes took place during it.
The birth of Christ was the beginning of a major epoch of world history.
[N-COUNT] usu with supp
If you refer to a long period of time as an epoch, you mean that important events or great changes took place during it.
The birth of Christ was the beginning of a major epoch of world history.