1. Plural of ephemeron; things that are short-lived or last only a day or a very brief time.
Usage: Formal or literary usage; Often used in scientific or philosophical contexts
2. In entomology, plural of ephemeron; mayflies or other insects with very short adult lifespans.
Usage: Technical/scientific term; Zoology

Examples

• The artist collected ephemerons—ticket stubs, receipts, and postcards—to create a collage about modern life.
• In nature, many ephemerons like mayflies emerge, reproduce, and die within a single day.
• The exhibition explored ephemerons of pop culture, displaying forgotten advertisements and packaging from the 1980s.
• Philosophers have long pondered the ephemerons of human existence and our brief time on Earth.
• The museum's collection of ephemerons included vintage concert flyers and handwritten letters.
• These delicate ephemerons of the insect world play a crucial role in freshwater ecosystems.