1. A period in history or a person's life, typically one marked by notable events or particular characteristics.
2. The beginning of a distinctive period in the history of someone or something.
3. (Geology) A division of time that is a subdivision of a period and is itself subdivided into ages, corresponding to a series in chronostratigraphy.
4. (Astronomy) An arbitrarily fixed date relative to which planetary or stellar measurements are expressed.
EXAMPLE SENTENCES
Play Button "A British epoch is defined by the ruling monarch: for example, Elizabethan, Georgian, Victorian, and Edwardian."
Play Button "While I'm familiar with many epochs in history, I've done the most study on the Industrial Revolution."
Play Button "The current celestial epoch is J2000.0, meaning objects' coordinates are given as they were in the year 2000."
No comments:
Post a Comment