neon

Definition

A chemical element that is a colorless, odorless noble gas, used in electric signs that glow brightly when electrified. It emits a bright red-orange light.

中文 一种无色无味的惰性化学元素，用于电气标志中，通电时发出明亮光线，发出亮红橙色光。

Example

"The nightclub's sign glowed with vibrant neon letters that attracted passersby at night."