glow tube: a gas-discharge tube consisting of a cold cathode and a diode in a tube filled with gas; the color of the glow depends on the particular gas
gas-discharge tube: a tube in which an electric discharge takes place through a gas
acetaminophen: an analgesic for mild pain but not for inflammation; also used as an antipyretic; (Datril, Tylenol, Panadol, Phenaphen, Tempra, and Anacin III are trademarks of brands of acetaminophen tablets)