a river flowing E from E Colorado to the Republican River in central Kansas. 540 miles (870 km) long.
noun 1. a smoky-yellow to dark brown or black variety of quartz, used as a gem. smoky quartz noun 1. another name for cairngorm
noun 1. a river in W central Alberta, Canada, flowing N to the Peace River. 250 miles (402 km) long.
- Smoky seat
noun, Jewelry. 1. smoky quartz used as a gemstone: not a true topaz.