Flashlight
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 05:15的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/flashlight ref] flash + light == etymonline == [https://www.etymonline.com/word/fl…”的新页面）
wiktionary
flash + light
etymonline
flashlight (n.)
also flash-light, 1886, "on-and-off signal light in a light-house, etc.," from flash (v.) + light (n.). As the word for a photographer's light-emitting preparation, 1892 (flash-lamp in this sense is by 1890). From 1905 as as a handheld, pocket-sized electric illumination device, the American English word for what the British might call an electric torch.
