"Fluorescent tubes" are long, thin light bulbs that produce bright light when an electric current flows through them. They are commonly used in offices, schools, and homes as an energy-efficient lighting option. Full definition
Warm, ambient lighting will do wonders for this room that is too - often plagued with fluorescent tubes. (reimag.co.za)
This doesn't look like much, but it is really important, an LED replacement for the 12 billion fragile glass mercury filled fluorescent tubes in stores and offices around the world. (treehugger.com)
These power 16 — 20 fluorescent tube lights each day, about 1 — 2 percent of a school's energy requirement. (edutopia.org)