/'ni:ɒn; `niɑn/
n [U] chemical element, a colourless inert gas much used in illuminated signs because it glows with a bright light when an electric current is passed through it 氖
*[attrib 作定语] a neon lamp/light/sign 霓虹灯[霓虹灯光/霓虹灯广告]. =>App
10 见附录10.

n[U]

[Date: 1800-1900; Language: Greek;Origin: neos 'new']
a colourless gas that is found in small quantities in the air and is used in glass tubes to produce a bright light in electric advertising signs. It is a chemical element : symbol Ne
neon lights/signs
(=ones that use neon)
　the neon lights of Las Vegas
　A neon sign flashed on and off above the door.