headbox

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English[edit]

Etymology[edit]

head +‎ box

Noun[edit]

headbox (plural headboxes)

  1. Synonym of headrail
  2. A device for distributing a suspension of solids in water to a machine at a constant rate, or for retarding the rate of flow, as to a top-feed filter, or for eliminating by overflow some of the finest particles.
  3. The topmost square of a USPSA target holding the B and A scoring zones.

Translations[edit]

References[edit]

  • United States Bureau of Mines, Dictionary of Mining, Mineral, and Related Terms (1996).
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