1 Heat the olive oil in a skillet over medium-high heat; cook the tilapia in the hot oil until the fish flakes easily with a fork, about 4 minutes per side. 2  Brush the melted butter onto the tilapia in the last minute before removing from the skillet. 3  Serve immediately.
Definition of epoch. 1a : an event or a time marked by an event that begins a new period or developmentb : a memorable event or date. 2a : an extended period of time usually characterized by a distinctive development or by a memorable series of eventsb : a division of geologic time less than a period and greater than an age.
1. a period of time considered as being of a distinctive character; epoch. 2. an extended period of time the years of which are numbered from a fixed point or event: the Christian era. 3. a point in time, esp one beginning a new or distinctive period: the discovery of antibiotics marked an era in modern medicine. 4. (Palaeontology) geology a major division of geological time, divided into several periods: the Mesozoic era.