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vacuum tube






vacuum tube   
noun

Definition of vacuum tube

: an electron tube evacuated to a high degree of vacuum



Recent Examples on the Web


//In an age of bulky and power-hungry vacuum tubes, the U.S. military and American industry searched desperately for some way to speed up and shrink computers for defense and commercial applications.
— Phil Lapsley, WSJ, "‘The Cryotron Files’ Review: Taking the Cold War to Subzero," 11 Oct. 2018
//In addition to the cars, tunnels, and vacuum tubes, the serial entrepreneur also has a company which works on brain-machine interfaces (BMI) called Neuralink.
— Ephrat Livni, Quartz, "Elon Musk wants to put an AI interface in your brain. Should you be worried?," 21 July 2019
//The amps most coveted by guitarists do this with vacuum tubes.
— Kevin Dupzyk, Popular Mechanics, "What a Fender Amp Looks Like When You Tear It Apart," 24 Mar. 2015
//And that posed a fresh challenge, since the tapes were analog and could only be played on a device called a SoundScriber that used old vacuum tube technology.
— Jennifer Ouellette, Ars Technica, "Behind-the-scenes audio from Apollo 11 mission made public for first time," 12 Nov. 2018
//And a vacuum tube RCA Victor TV, hidden behind the double doors of a mahogany cabinet.
— Michelle Slatalla, WSJ, "Why You Should Redecorate Until You Kick the Bucket," 12 Nov. 2018
//The Siphon Coffee Brewer is based on a vacuum tube style of making coffee first introduced in 1830.
— John Wenz, Popular Mechanics, "This Retro Coffee Maker Brews a Pot With Vacuum Power," 17 Mar. 2015
//Clearly the transistor was better than the vacuum tube.
— Phil Lapsley, WSJ, "‘The Cryotron Files’ Review: Taking the Cold War to Subzero," 11 Oct. 2018
//Hyperloop relies on vacuum tubes and special pods for faster-than-flight travel speeds, at times estimated at around 670 mph.
— Dug Begley, Houston Chronicle, "Hyperloop's first step bypasses Houston," 11 July 2018


First Known Use of vacuum tube

1859, in the meaning defined above



Dictionary Entries near vacuum tube

vacuum pan

vacuum pump

vacuum tank

vacuum tube

vacuum-tube voltmeter

vacuum valve

vacuum ventilation