How to Use vacuum tube in a Sentence

vacuum tube

noun
  • The numbers bounce around like popcorn, and then some of them get sucked into the vacuum tube.
    — Andrew Dansby, Houston Chronicle, 13 Dec. 2017
  • After that, check the vacuum tube for debris and remove if present.
    — Kat De Naoum, Better Homes & Gardens, 20 Oct. 2022
  • The amps most coveted by guitarists do this with vacuum tubes.
    — Kevin Dupzyk, Popular Mechanics, 24 Mar. 2015
  • To remove the vacuum tube, grip the large plastic lugs molded into the tube and twist it off.
    — Alex Rennie, Popular Mechanics, 29 Apr. 2022
  • The cathode rays Crookes observed in his vacuum tubes were as evanescent as any ghost.
    — Jonathon Keats, Forbes, 23 Sep. 2024
  • Like others on our list, the process only requires the vacuum tube to be placed over the port opening and turned on.
    — Lindsay Tigar, Peoplemag, 15 Aug. 2023
  • It is designed to send a vehicle through a vacuum tube at speeds up to 600 miles per hour.
    — Harold Maass, TheWeek, 9 Nov. 2020
  • Even more advanced is the idea of hurtling passengers through vacuum tubes where there is no air resistance.
    — Eoin O'Carroll, The Christian Science Monitor, 24 Dec. 2017
  • Computers built using vacuum tubes were not suitable for widespread use due to their size.
    — Rohini Krishnamurthy, Quartz India, 5 Jan. 2020
  • Fix the brush tool attachment onto your handheld vacuum tube and suck up the first layer of dust, pollen, and dirt.
    — Southern Living, 12 June 2020
  • Kids play with water, vapor, vacuum tubes and other machines that dazzle the mind.
    — John Pana, cleveland.com, 3 Nov. 2017
  • Designed by Skidmore & Owens, it was shaped like a radio vacuum tube.
    — IEEE Spectrum, 30 Jan. 2023
  • An old-fashioned triode vacuum tube does that using a voltage applied to its grid electrode.
    — IEEE Spectrum, 27 Mar. 2022
  • The blood passing through the tiny and large veins — wires and cables — was really a stream of data feeding the vacuum tubes.
    — K. Eddie Mehrfar, latimes.com, 23 Apr. 2018
  • The group’s goal was to build a telemetry system using transistors instead of vacuum tubes.
    — IEEE Spectrum, 21 Apr. 2021
  • The vacuum also has two wheels underneath it, which helps move it around since the vacuum tube is bigger than the blower tube.
    — Sandi Schwartz, Better Homes & Gardens, 1 Nov. 2024
  • Elon Musk first proposed the idea of high-speed travel through vacuum tubes in a 2013 white paper.
    — David Freeman /, NBC News, 20 May 2018
  • Engineers in China are testing the use of low-vacuum tubes to remove this issue.
    — Theo Burman, MSNBC Newsweek, 12 Aug. 2025
  • To start, a real-world Hyperloop system would require a large network of vacuum tubes.
    — Alice Bonasio, Ars Technica, 4 Mar. 2018
  • Machines that used vacuum tubes also required massive amounts of power and were prone to failure as the tubes burned out frequently.
    — Rohini Krishnamurthy, Quartz India, 5 Jan. 2020
  • Or how about when Hyperloop pods in vacuum tubes were going to shoot us between cities around the world at unimaginably high speeds and low cost?
    — Paris Marx, The New Republic, 14 July 2023
  • Making his first bid for political office, Garvey has proven to be as empty as a vacuum tube.
    — Mark Z. Barabak, Los Angeles Times, 6 Mar. 2024
  • As a concept for fast transportation, vacuum tube transit systems have been around for a surprisingly long time.
    — Anamaria Silic, Discover Magazine, 13 Feb. 2021
  • Electronics in the 1940s were based on radio valves, also called vacuum tubes.
    — New Atlas, 15 Feb. 2026
  • Then, remove the vacuum tube and hold open the impeller door to remove any leftover debris from the impeller, checking the mulching blades for damage.
    — Kat De Naoum, Better Homes & Gardens, 20 Oct. 2022
  • Then, remove the vacuum tube and hold open the impeller door to remove any leftover debris from the impeller, checking the mulching blades for damage.
    — Kat De Naoum, Better Homes & Gardens, 20 Oct. 2022
  • Over the years, memory has been made up of vacuum tubes, glass tubes filled with mercury and, most recently, semiconductors.
    — IEEE Spectrum, 21 July 2022
  • At high speeds, even a small earthquake or the slightest breakage of a vacuum tube would pose a significant danger to passengers and crew.
    — Anamaria Silic, Discover Magazine, 13 Feb. 2021
  • The laser was soon being compared to the vacuum tube, the device that spawned the transistor and the then adolescent age of electronics.
    — Kat Eschner, Smithsonian, 7 July 2017
  • Apart from looking cool, the four vacuum tubes actually contribute to the receiver’s rich, deep sound.
    — Popular Science, 29 Jan. 2020

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'vacuum tube.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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