ersatz_read (ersatz_read) wrote in 1word1day,

Monday word: troffer

troffer (trfr), noun.
An inverted trough serving as a support and reflector for a flourescent lighting unit.
Usually a troffer is recessed into the ceiling.

Etymology:  Blend of trough and coffer.  Dictionaries list the first known use as 1942, but h
ere's a 1940 ad on ebay (scroll about halfway down the page).
Most of the earliest references I've run across refer to Miller troffers, but I don't know if The Miller Company coined the word. 
Tags: noun, t, wordsmith: ersatz_read

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