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.
日本語 電気サインで明るく輝くときに発光する無色無臭の貴金属ガス; 明るい赤橙色の光を放つ
Example
"The nightclub's sign glowed with vibrant neon letters that attracted passersby at night."