1. Plural of aeronomy; the scientific study of the upper atmosphere, including its chemical composition, physical properties, and interactions with solar radiation.
Usage: technical; scientific field

Examples

• Researchers in aeronomies investigate how solar winds affect Earth's ionosphere.
• The conference brought together experts in aeronomies from universities around the world.
• Advances in aeronomies have improved our understanding of atmospheric chemistry.
• Satellite data has revolutionized the field of aeronomies over the past two decades.
• Students pursuing careers in aeronomies often study physics and atmospheric science.