epochs

plural of epoch

New

1. A particular period of history, or of a person's life, especially one considered noteworthy or remarkable.
2. A notable event which marks the beginning of such a period.
3. A specific instant in time, chosen as the point of reference or zero value of a system that involves identifying instants of time.
4. A geochronologic unit of hundreds of thousands to millions of years; a subdivision of a period, and subdivided into ages (or sometimes subepochs).
5. One complete presentation of the training data set to an iterative machine learning algorithm.