How to Use helium in a Sentence

helium

noun
Definition of heliumnext
  • At the end of our sun’s life, too much helium will build up in the core.
    — Paul M. Sutter, Discover Magazine, 16 Feb. 2023
  • The fusing helium sends a shock wave deep into the dwarf’s core.
    — Lyndie Chiou, Quanta Magazine, 8 Feb. 2023
  • The cause is the same as the last couple of delays: a leak of helium from the craft’s service module.
    — Melvin Backman, Quartz, 22 May 2024
  • Beneath the swirling storms of Jupiter or Saturn’s hazy cloud tops, where helium drops from the sky.
    — Marina Koren, The Atlantic, 14 June 2021
  • The other is the high-pressure test in which helium is pumped through the system to see if gas leaks out.
    — Ronald D. White, Los Angeles Times, 26 Feb. 2024
  • The views on just what the root cause is and the physics of the deorbit burn needs of the thrusters and helium leaks are the items holding up the decision.
    — Richard Tribou, Orlando Sentinel, 7 Aug. 2024
  • The vessel’s tech is at the bleeding edge, too, with helium being the main source of fuel.
    — Rachel Cormack, Robb Report, 11 Jan. 2022
  • In the Falcon 9, helium is the gas of choice to pressurize the propellant tank.
    — Joe Pappalardo, Popular Mechanics, 25 Oct. 2022
  • The helium balloon flight isn't the only reason Blaine has been in the news in recent years.
    — Kimi Robinson, The Arizona Republic, 1 Sep. 2020
  • About 17 Earth-masses of the core are made of ice and rock – the rest is a hydrogen and helium-based fluid.
    — Ashley Strickland, CNN, 16 Aug. 2021
  • On top of that, a helium shortage that started in 2022 didn't help.
    — Anna Halkidis, Parents, 4 Jan. 2025
  • There are two stable types of helium: helium-3 and helium-4.
    — Quanta Magazine, 15 Sep. 2021
  • The fusion of two hydrogen atoms to make helium is the main process that powers the sun and other stars.
    — Philip Ball, Scientific American, 16 May 2023
  • Inside this tube is a gas, such as helium or argon, with a wire running along the axis of the tube.
    — WIRED, 8 Sep. 2023
  • In this case, the part that isn't working is about 3 inches long and keeps helium from flowing back out of the rocket.
    — Ashley Strickland, CNN, 11 Apr. 2022
  • But as the cost of helium continues to rise, so does the cost of the couple’s tradition.
    — courant.com, 31 Oct. 2019
  • The plan was for the balloons, filled with helium and a small amount of sulfur dioxide, to float high into the stratosphere.
    — Laura Paddison, CNN, 12 Feb. 2023
  • Eventually, the helium in a red giant's core will be spent, and the core will shrink again.
    — Jennifer Ouellette, Ars Technica, 29 Mar. 2022
  • More tees — the Cramps, the Misfits, Minor Threat — hung from the ceiling like concert merch high on helium.
    — Washington Post, 19 Jan. 2022
  • The first stars in the universe would have been blazing with heat and only made of hydrogen and helium.
    — Ashley Strickland, CNN, 17 Nov. 2022
  • Like the Macon and Akron before it, the Pathfinder models will run on lighter-than-air helium.
    — Rachel Cormack, Robb Report, 1 June 2022
  • The other is in a gilded frame and hangs behind the easel — not just on the wall but skied, way up at the edge of the ceiling, like a helium balloon floating away.
    — Christopher Knight, Los Angeles Times, 14 June 2023
  • The evidence comes in the form of isotopes of noble gases like helium and neon.
    — Joshua Hawkins, BGR, 14 Aug. 2022
  • And perhaps that made the hype for this special feel special: All that helium inside the balloon.
    — Helena Andrews-Dyer, Washington Post, 6 Mar. 2023
  • The first balloon didn't join the parade until 1927 — Felix the Cat — and since has been joined by many other helium friends.
    — Lindsay Kimble, People.com, 28 Nov. 2024
  • However, he was filled with air and not helium; instead of soaring above the New York City streets, he was held up by stilts.
    — Kate Hogan, Peoplemag, 17 Nov. 2023
  • Light elements like hydrogen and helium formed during the big bang, and those up to iron are made by fusion in the cores of stars.
    — Daniel Clery, Science | AAAS, 23 Oct. 2019
  • Stores of helium, a precious resource, have been overtaxed on the moon, and few lifeforms remain on earth.
    — Jeremy Hallock, Dallas News, 31 Aug. 2021
  • But in the wake of the launch scrub, Boeing engineers saw signs of a small helium leak in the Starliner's propulsion system.
    — William Harwood, CBS News, 1 June 2024
  • While the launch went off without a hitch, Peregrine ran into trouble due to a faulty helium pressure control valve and never made it to the moon.
    — Julian Dossett, Space.com, 28 Dec. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'helium.' 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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