An era is a commonly used word for long period of time. When used in science, for example geology, eras denote clearly defined periods of time of arbitrary but well defined length, such as for example the Mesozoic Era from 252 Ma–66 Ma, delimited by a start event and an end event. When used in social history, eras may for example denote a period of some monarch's reign. In colloquial language, eras denote longer spans of time, before and after which the practices or fashions change to a significant degree. When era is extended to a calendar system, it is known as a calendar era. In Sanskrit or Indian culture eras are known as Yugas.
Famous quotes containing the word era:
“The purest lesson our era has taught is that man, at his highest, is an individual, single, isolate, alone, in direct soul-communication with the unknown God, which prompts within him.”
—D.H. (David Herbert)
“How many a man has dated a new era in his life from the reading of a book! The book exists for us, perchance, that will explain our miracles and reveal new ones. The at present unutterable things we may find somewhere uttered.”
—Henry David Thoreau (1817–1862)
“... we are apt to think it the finest era of the world when America was beginning to be discovered, when a bold sailor, even if he were wrecked, might alight on a new kingdom ...”
—George Eliot [Mary Ann (or Marian)