Wiktionary
burndown
n. 1 The use of a herbicide to destroy existing foliage. 2 A kind of destructive fault in electrical equipment. 3 In (w: Agile software development), a chart showing how much work remains to be completed.
Usage examples of "burndown".
During their first 'mission' - a failed attempt to burndown a university chemistry lab - the police had picked up a code name onthe scanner: CD.