burnout

[ burn-out ]

/ ˈbɜrnˌaʊt /

a fire that is totally destructive of something.

Also burn-out. fatigue, frustration, or apathy resulting from prolonged stress, overwork, or intense activity.

Rocketry.

the termination of effective combustion in a rocket engine, due to exhaustion of propellant.
the end of the powered portion of a rocket's flight.

Electricity. the breakdown of a lamp, motor, or other electrical device due to the heat created by the current flowing through it.

Origin of burnout

First recorded in 1900–05; noun use of verb phrase burn out

A new study shows U.S. doctors have a burnout rate of 38 percent versus 28 percent for the general population.

Study Says Doctors More Burned Out Than Others, But It’s Not Really a Malady |Kent Sepkowitz |August 23, 2012 |DAILY BEAST
But the burnout described in this and so many other articles is not really a malady.

Study Says Doctors More Burned Out Than Others, But It’s Not Really a Malady |Kent Sepkowitz |August 23, 2012 |DAILY BEAST
Burnout is a real problem, with real downstream effects—poor employee performance, higher turnover, clinical depression.

Study Says Doctors More Burned Out Than Others, But It’s Not Really a Malady |Kent Sepkowitz |August 23, 2012 |DAILY BEAST
Meet the Colbert family, where the oldest sister saved herself from burnout by finally mobilizing the men in the family to help.

Meet America's Overworked Caregivers |Gail Sheehy |April 30, 2010 |DAILY BEAST

Burnout of the second stage came suddenly, and we heaved slightly against our belts as the springs in our seats pushed back out.

The Trouble with Telstar |John Berryman
It would take practically absolute simultaneity to overload to the point of burnout to those Strett generators.

Masters of Space |Edward Elmer Smith