coal

• Roche sédimentaire combustible de couleur noire ou brun foncé, principalement utilisée comme source de combustible.

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

indénombrable

1. Fuel materialB1formal

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

   charbon (combustible)

   • 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.

   Braise

   • 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.

   Synonymescinderclinkerember

• Verbe signifiant approvisionner ou munir de charbon, ou charger du charbon comme combustible.

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.

   charbonner (approvisionner en charbon)

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

   Synonymeschargefuelstoke

2. To convert into coalC1formal

   To turn organic material into coal through natural processes.

   se charbonner

   • 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.

   Synonymescarbonizechar