Meaning of additional In English

• 0 extra:

  • additional costs/problems

  • There will be an extra charge for any additional passengers.

• 1 put with something else to increase the number or amount or to make it more important:

  • There’s no additional charge for children under twelve.

• 2 extra:

  • We plan to open an additional 10 to 12 stores next year.

  • There will be no additional charge for this service.

  • an additional $50,000/£1million/€35 billion, etc.

• 3 resulting in a reduction in the amount of carbon dioxide gas that is released into the environment, which would not have happened without trading carbon credits:

  • Would the project have been implemented, even without the sales of the carbon offsets? If the answer is yes, the project is not “additional.”