- 1A long and distinct period of history with a particular feature or characteristic: his death marked the end of an era the era of glasnostMore example sentences
- At least four distinct periods, or eras, define the recent history of Congress.
- Few eras of American history have undergone as sweeping a reinterpretation by historians in the past forty years as Reconstruction, the turbulent period that followed the Civil War.
- The structure of the novel, then, makes possible a way of thinking about America that crosses the lines between eras, making American history a single connected story.
- 1.1A system of chronology dating from a particular noteworthy event: the dawn of the Christian eraMore example sentences
- The period is further divided into the early Heian and the late Heian, or Fujiwara, eras, the pivotal date being 894, the year imperial embassies to China were officially discontinued.
- Simply put, it was on that date that the communist era in Bulgaria started.
- Many of America's great cathedrals of racing date from the Depression era of the film's setting.
- 1.2 Geology A major division of time that is a subdivision of an eon and is itself subdivided into periods: the Mesozoic eraMore example sentences
- The division of the Phanerozoic into chronostratigraphic divisions - eras, periods, epochs and ages - has itself evolved over a period of about 200 years.
- The largest would be the ‘Permo-Triassic’ extinction, between the Permian and Triassic periods, of the Paleozoic and Mesozoic eras.
- The following table shows the three eras and eleven geological periods that comprise the Phanerozoic.
mid 17th century: from late Latin aera, denoting a number used as a basis of reckoning, an epoch from which time is reckoned, plural of aes, aer- 'money, counter'.