Possible interpretations:
* Misspelling: Could be a misspelling of "afterburner," which refers to a component in jet engines that provides additional thrust.
* Technical Term: It might be a specialized term used in a specific industry, such as mining or construction. Without more context, it's impossible to know the meaning.
* Figurative Language: It might be used figuratively to refer to the weight or burden that comes after a specific event or situation.
To understand the meaning of "afterburden," please provide more context:
* What field or industry are you referring to?
* What is the sentence or situation where you encountered this term?
With more information, I can help you understand the meaning of "afterburden."