1. plural of era; distinct periods of time in history characterized by particular events, developments, or figures

Examples

• The museum displays artifacts from different eras of human civilization.
• We studied the major eras of American history in class.
• The Renaissance and Baroque eras produced magnificent works of art.
• Geological eras are determined by significant changes in Earth’s development.
• Fashion trends from past eras often make a comeback.
• The digital era has transformed how we communicate.