ne·on /ˈniˌɑn/
 氖
 ne·on /ˈnɪˌɑn/ 名詞
 氖
 neon
 氖
 neon
      n : a colorless odorless gaseous element that give a red glow in
          a vacuum tube; one of the six inert gasses; occurs in the
          air in small amounts [syn: Ne, atomic number 10]
 neon
 Symbol: Ne
 Atomic number: 10
 Atomic weight: 20.183
 Colourless gaseous element of group 18 on the periodic table (noble
 gases). Neon occurs in the atmosphere, and comprises 0.0018% of the volume
 of the atmosphere. It has a distinct reddish glow when used in discharge
 tubes and neon based lamps. It forms almost no chemical compounds. Neon
 was discovered in 1898 by Sir William Ramsey and M.W. Travers.