I. ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
Etymology: burn out
1. : a fire that consumes all the flammable contents (as of a building) ; broadly : a large and destructive fire
2. : a breakdown of an electrical circuit caused by fusion or combustion (as of a conducting element or insulation) resulting from abnormal increase in temperature
3. : an area of soil from which the organic material has been removed by fire or other agency leaving usually a distinct depression of unfertile mineral soil
4. : the moment at which a jet or rocket motor exhausts its fuel
II. noun
1. : the process or an instance of burning out
2.
a. : the cessation of operation of a jet or rocket engine as the result of exhaustion of or shutting off of fuel
b. : the point in the trajectory of a rocket engine at which burnout occurs
3.
a. : exhaustion of physical or emotional strength usually as a result of prolonged stress or frustration
b. : a person suffering from burnout
4. : a person showing the effects of drug abuse