1. people who collect rocks, minerals, and fossils as a hobby
Usage: informal

Examples

• The rockhounds spent the weekend searching for quartz crystals in the mountains.
• Local rockhounds gathered at the mineral show to trade specimens.
• She joined a club of rockhounds who meet monthly to share their finds.
• The rockhounds brought hammers and chisels to extract samples from the cliff.
• Many rockhounds enjoy polishing their stones to reveal hidden beauty.
• The museum’s geology exhibit attracted both scientists and amateur rockhounds.