a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
"The technician filled the flash tube with xenon to create an intense burst of white light for the high-speed camera."
The chemical element (symbol Xe) with an atomic number of 54. It is a colorless, odorless, unreactive noble gas, used notably in camera flash technology.
"The photographer clicked the shutter, triggering a brilliant burst of light from the xenon flash tube that froze the dancer mid-leap."
The name xenon comes from the Ancient Greek word xénos, meaning "foreign" or "strange." The suffix -on was added to this root to form the name for all noble gases.