ˈträfə(r), ˈtrȯf- noun
( -s )
Etymology: troff (alteration of trough ) + -er
: an inverted trough serving as a support and reflector for a usually fluorescent lighting unit
ˈträfə(r), ˈtrȯf- noun
( -s )
Etymology: troff (alteration of trough ) + -er
: an inverted trough serving as a support and reflector for a usually fluorescent lighting unit
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012