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Meaning of afterburning

af•ter•burn•ing

Pronunciation: (af'tur-bûr"ning, äf'-), [key]
— n.
  1. combustion in an afterburner that results from the injection of fuel into the exhaust gases of a jet engine to produce additional thrust with more efficient fuel consumption.
  2. an irregular burning of residual fuel in some rocket motors after the cessation of the main burning.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.