1. Ore that yields a substantial profit to the miner 
2. A profitable success
   "the inventor worked for years before hitting pay dirt"

Type of: ore, success

• hyperboloidal
• hyperborean
• hypercalcaemia
• hypercalcemia
• hypercalcinuria
• hypercalciuria
• hypercapnia
• hypercarbia
• hypercatalectic
• hypercellularity
• hypercholesteremia
• hypercholesterolemia
• hyperchromic anaemia
• hyperchromic anemia
• hypercoaster
• hypercritical
• hypercritically
• hypercriticism
• hyperdactyly
• hyperemesis
• hyperemesis gravidarum
• hyperemia
• hyperemic
• hyperesthesia
• hyperextend