1540s, of light; present participle adjective from flash (v.).
flashing (n.)
1791, "act of creating an artificial flood," verbal noun from flash (v.); also compare flash (n.2)). Meaning "indecent exposure" is by 1968 (see flasher). The meaning "strip of metal used in roofing, etc." is from 1782, earlier simply flash (1570s), but the sense connection is unclear and it might be an unrelated word.
例文
1. The words "Good Luck "were flashing on the screen.
「幸運を祈ります」の文字が画面に表示されます。
2.His mind kept flashing back to the previous night.
彼の頭の中では、最初の夜に起きたことを繰り返し思い出していた。
3.Some fog warning signs had been put up with flashing yellow lights.
黄色のフラッシュを備えた濃霧警告マークが立っている。
4.She woke to find her dark room lit by flashing lights.
彼女は目が覚めると暗い部屋が点滅した明かりで照らされていることに気づいた。
5.police cars with lights flashing and sirens blaring