noun, slang ·Uncommon ·College level
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"Tubelights can be very troublesome at times. They flicker on and on but refuse to glow. One may find to his surprise that while this is the case with his tubelight, his neighbour's tubelight in another apartment of the same block is functioning quite well. The problem is more prevalent in the evenings and is easily traceable to voltage fluctuations."
"And Modiji [Narendra Modi], also being Snarkyji, described Rahulji [Rahul Gandhi] as a tubelight because Rahulji had interjected only a good 40 minutes after Modiji had launched into his Parliamentary speech. […] CFL bulbs and LED lamps have now taken the place of tubelights, and younger citizens may not be aware of what makes a tubelight a tubelight. It's the flickering, slow response, stupid!"
"Tubelights can be very troublesome at times. They flicker on and on but refuse to glow. One may find to his surprise that while this is the case with his tubelight, his neighbour's tubelight in another apartment of the same block is functioning quite well. The problem is more prevalent in the evenings and is easily traceable to voltage fluctuations."
Synonym of fluorescent lamp (“a gas-discharge lamp that uses fluorescence to produce visible light, especially one consisting of a tube filled with mercury vapour which emits ultraviolet radiation when an electric current is passed through it, causing fluorescence when the radiation hits a phosphor coating on the interior of the tube”); also, a light fixture containing one or more fluorescent lamps.
Common synonyms include: fool.
Tubelights can be very troublesome at times. They flicker on and on but refuse to glow. One may find to his surprise that while this is the case with his tubelight, his neighbour's tubelight in another apartment of the same block is functioning quite well. The problem is more prevalent in the evenings and is easily traceable to voltage fluctuations.
Pronounced /ˈtjuːbˌlaɪt/.
From tube + light. Sense 2 (“dim-witted person”) refers to the tendency of some fluorescent tubes to flicker as well as the length of time it takes for some to light up completely after being switched on, which is likened to a person whose knowledge is inconsistent or who takes time to understand things.