trof·fer
| \ ˈträ-fər
, ˈtrȯ- \
, ˈtrȯ- \
Definition of troffer
: an inverted trough serving as a support and reflector usually for a fluorescent lighting unit
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“Troffer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/troffer. Accessed 1 Mar. 2021.
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Time Traveler for troffer
The first known use of troffer was in 1942
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