Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To burn up.
  • v. To burn too little.

from The Century Dictionary and Cyclopedia

  • To burn up. 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.

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: Keith Cowing: November 2004 Archives

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

    BBSNews ATOM 0.3 Newsreader Feed

  • 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

  • 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

  • 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

  • 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

  • The burns planned near Tahoe City are part of a larger effort to underburn 400 to 640 acres per year around the Basin, according to the release.

    Sierra Sun - Top Stories

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