coaly Hear it!

coaly Definition

coaly (kōl′ē)

adjective coal′i·er, coal′i·est

  1. full of coal
  2. of or like coal; esp., black

coaly Usage Examples

Modifies a noun

  • shale: Coals and coaly shales of Late Cretaceous through Eocene age are the source rocks for oil and gas that accumulated predominantly in anticlinal traps.