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

• organ-grinder
• organdie
• organdy
• organelle
• organic
• organic brain syndrome
• organic chemistry
• organic compound
• organic disorder
• organic evolution
• organic fertiliser
• organic fertilizer
• organic law
• organic light-emitting diode
• organic phenomenon
• organic process
• organic structure
• organically
• organicism
• organicistic
• organification
• organisable
• organisation
• organisation chart
• Organisation for the Prohibition of Chemical Weapons