coal

• Roca sedimentaria combustible de color negro o marrón oscuro, utilizada principalmente como fuente de combustible.

A black or dark brown combustible sedimentary rock used primarily as a fuel source.

incontable

1. Fuel materialB1formal

   A black or dark brown rock consisting mainly of carbon, used as a fuel.

   Carbón mineral

   • The power plant burns coal to generate electricity.
   • Miners extract coal from deep underground.
   • Coal was the primary fuel during the Industrial Revolution.

2. Burning pieceB2formal

   A piece of glowing or charred material from a fire.

   Brasa

   • He placed a hot coal into the iron to press clothes.
   • The campfire coals glowed red in the darkness.
   • She roasted marshmallows over the hot coals.

   Sinónimoscinderclinkerember

• Verbo que significa suministrar o proveer de carbón, o cargar carbón como combustible, especialmente en barcos o locomotoras.

A verb meaning to supply or provide with coal, or to take in coal for fuel.

1. To supply with coalB2formal

   To provide or fuel something with coal.

   abastecer de carbón

   • The ship was coaled before its long voyage.
   • They coaled the steam engine for the journey.
   • The workers coaled the furnace overnight.

   Sinónimoschargefuelstoke

2. To convert into coalC1formal

   To turn organic material into coal through natural processes.

   Carbonizar (por procesos naturales)

   • Over millions of years, the peat coaled into lignite.
   • The ancient forests coaled under immense pressure.
   • Geologists study how plant matter coaled in prehistoric times.

   Sinónimoscarbonizechar