| 单词 | neon |
| 释义 | neon /nee"on/, n. 1. Chem. a chemically inert gaseous element occurring in small amounts in the earth's atmosphere, used chiefly in a type of electrical lamp. Symbol: Ne; at. wt.: 20.183; at. no.: 10; density: 0.9002 g/l at 0°C and 760 mm pressure. 2. See neon lamp. 3. a sign or advertising sign formed from neon lamps. adj. 4. using or containing the gas neon. 5. made of or formed by a neon lamp or lamps: a neon sign. 6. of, pertaining to, or characteristic of a tawdry urban district or of gaudy nighttime entertainment. [1895-1900; < NL < Gk néon new, recent (neut. of néos); see -ON1] |
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