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单词 precovery
释义

precovery

English

Etymology

Blend of pre- + recovery

Noun

precovery (plural precoveries)

  1. (astronomy) The use of previously gathered data (especially photographic images) to recover a recently discovered object (typically a small solar system body).
    • If you look for your new object after discovery, it's called "recovery". [...] if you find your new object in some old data that someone took before you discovered your object, it's called a "precovery".
    • Quaoar [...] is a Trans-Neptunian object orbiting the Sun in the Kuiper belt. It was discovered on June 4, 2002 by astronomers Chad Trujillo and Michael Brown at the California Institute of Technology [...] The earliest precovery turned out to be a May 25, 1954 plate from Palomar Observatory.
  2. (slang) The act of resting before a long night, weekend or season of binge drinking.
  • precover
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