Webnoun a light silvery-white metallic element of the alkaline earth series that burns with an intense white flame, occurring principally in magnesite, dolomite, and carnallite: used in light structural alloys, flashbulbs, flares, and fireworks. Web: a cubical device incorporating four flashbulbs Example Sentences Recent Examples on the Web These were the dark days of telephone booths (and long distance charges), …
flashbulb - English definition, grammar, pronunciation, synonyms …
WebApr 13, 2024 · 2 宣布开会。. (4)I am very pleased and honored to declare(the conference)open.我很高兴和荣幸地宣布···开幕。. 3 来宾在开幕式上致辞。. (5)I am greatly honored to give the opening addre/speech at this ··· (3rd ) International Congre of ABC here in Beijing 我深感荣幸在北京举办的第···次 ... Webflashbulb (noun) flashbulb / ˈ flæʃˌbʌlb/ noun. plural flashbulbs. Britannica Dictionary definition of FLASHBULB. [count] : an electric bulb that produces a very bright flash of … i\u0027m an ally
Flashbulbs - definition of flashbulbs by The Free Dictionary
WebFeb 12, 2024 · @user10216038 Magnesium was used in most early flashbulbs for whatever reason(s). As to why they used magnesium, perhaps it was because the makers of magnesium flash powder, which preceded self-contained flash bulbs, realized their flash powder business was about to take a nose dive and they started making bulbs too. WebFlashbulbs. An older type of flash is an oxygen-filled glass envelope containing a specific amount of aluminum or zirconium wire and means for igniting the wire in the bulb. The wire burns away with a brilliant flash lasting typically about 1/100 to 1/50 second. Each flashbulb can, however, yield only one flash. WebJan 24, 2024 · “Flashbulbs, by comparison, only have one output, full. They produce their light by burning foil or thin wire crammed inside of a glass bulb. They can be used only once before needing to be replaced by a new bulb. netman remote office