[{"Bold_text": "noun", "List Items": ["a period of time marked by distinctive character, events, etc.:The use of steam for power marked the beginning of an era.Slang.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 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.", "a period of time marked by distinctive character, events, etc.:The use of steam for power marked the beginning of an era.", "Slang.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 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.", "Geology.a major division of geologic time composed of a number of periods."]}, {"Bold_text": "abbreviation for", "List Items": ["Baseball. earned run average ( def ) earned run average ( def ).", "Emergency Relief Administration.", "Equal Rights Amendment:proposed 27th amendment to the U.S. Constitution that would prohibit discrimination on the basis of gender."]}]