- a period of time marked by distinctive character, events, etc.:The use of steam for power marked the beginning of an era.
- a period of time in a person’s life characterized by something distinctive and noticeable, such as a particular emotional state, relationship, achievement, or interest: She’s started wearing all black now that she’s in her sad girl era.They are definitely in their flop era and could use a complete makeover.
- the period of time to which anything belongs or is to be assigned: She was born in the era of hansoms and gaslight.
- a system of chronologic notation reckoned from a given date: The era of the Romans was based upon the time the city of Rome was founded.
- a point of time from which succeeding years are numbered, as at the beginning of a system of chronology: Caesar died many years before our era.
- a date or an event forming the beginning of any distinctive period: The year 1492 marks an era in world history.
- a major division of geologic time composed of a number of periods.
- earned run average.
- Emergency Relief Administration.
- proposed 27th amendment to the U.S. Constitution that would prohibit discrimination on the basis of gender.
- a period of time considered as being of a distinctive character; epoch
- an extended period of time the years of which are numbered from a fixed point or event
- a point in time, esp one beginning a new or distinctive period
- a major division of geological time, divided into several periods
- (in Britain) Education Reform Act: the 1988 act which established the key elements of the National Curriculum
- (in the US) Equal Rights Amendment: a proposed amendment to the US Constitution enshrining equality between the sexes