1. the process of flowering or blooming; a period of flourishing or peak development
Usage: figurative use; common in literary and academic contexts
2. the appearance of a fine powder or crystalline deposit on the surface of a rock, mineral, or salt
Usage: chemistry and geology term

Examples

• The Renaissance marked an efflorescence of art and learning in Europe.
• The 1920s saw an efflorescence of jazz music in American cities.
• The artist's career reached its efflorescence in her middle years.
• Salt efflorescence on the brick wall indicated moisture problems.
• The mineral showed white efflorescence after exposure to air.
• The company experienced an efflorescence of innovation under new leadership.