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troffer

[trof-er, traw-fer] /ˈtrɒf ər, ˈtrɔ fər/
noun
1.
a trough-shaped reflector holding one or more fluorescent lamps.
Origin
1940-1945
1940-45; troff (variant of trough) + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for troffer
  • Learn more about the troffer lighting specification.
  • The existing troffer is raised up, and the new louver doorframe is placed over the opening.

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