Definitions

from The Century Dictionary.

  • To burn up. To burn too little.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive, obsolete To burn up.
  • verb transitive To burn too little.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English underbrennen ("to set on fire, burn up"), equivalent to under- +‎ burn.

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Examples

  • Update on reboost underperformance:†† The Russian Commission looking into the 11/17 reboost underburn has unanimously determined that both onboard hardware and software involved in the maneuver were not at fault, and that the underperformance was caused by human error.

    NASA Watch: ISS News: November 2004 Archives 2004

  • Update on reboost underperformance:†† The Russian Commission looking into the 11/17 reboost underburn has unanimously determined that both onboard hardware and software involved in the maneuver were not at fault, and that the underperformance was caused by human error.

    NASA Watch: Keith Cowing: November 2004 Archives 2004

  • Chamber pressure roughness, a measure of efficiency for thrusters, has been increasing on thrusters Z3A and Z4A, as shown in telemetry data and as evidenced in the underburn at maneuver-169.

    BBSNews ATOM 0.3 Newsreader Feed 2009

  • That perimeter describes an area of half a million acres, but half of that did not burn at all, or burned in a light, healthy underburn, mostly clearing away underbrush.

    portland indymedia - features 2009

  • That perimeter describes an area of half a million acres, but half of that did not burn at all, or burned in a light, healthy underburn, mostly clearing away underbrush.

    portland indymedia - features 2009

  • This will correct a small - about 3 mm / sec - but persistent underburn condition.

    BBSNews ATOM 0.3 Newsreader Feed 2009

  • That perimeter describes an area of half a million acres, but half of that did not burn at all, or burned in a light, healthy underburn, mostly clearing away underbrush.

    portland indymedia - features 2009

  • Chamber pressure roughness, a measure of efficiency for thrusters, has been increasing on thrusters Z3A and Z4A, as shown in telemetry data and as evidenced in the underburn at maneuver-169.

    BBSNews ATOM 0.3 Newsreader Feed 2009

  • A prescribed underburn in the White Cloud area scheduled to begin today will be postponed until later in the week if weather conditions permit, said Ann Westling, spokesperson for the Tahoe National Forest.

    The Union - All Categories 2008

  • Nevada City, CA Nov. 15, 2008 - Plans are underway for a 160-acre underburn project 10 miles east of Nevada City at White Cloud within the Tahoe National Forest.

    YubaNet.com 2008

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