half-life

Definition of half-lifenext

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of half-life The radioactive half-life of plutonium-239, one of the remnants of US nuclear testing there, is 24,110 years. Brad Lendon, CNN Money, 4 Nov. 2025 However, because ketamine has a short half-life, the traces of the substance in his system couldn't have been from one of those treatment sessions, the report said. Mekishana Pierre, Entertainment Weekly, 21 Oct. 2025 One of the most popular, and notorious, alprazolam—more commonly known as Xanax—has a half-life of only twelve hours. P.e. Moskowitz september 11, Literary Hub, 11 Sep. 2025 With carbon-14’s half-life of 5,700 years, the battery could theoretically last for millennia. IEEE Spectrum, 25 Aug. 2025 See All Example Sentences for half-life
Recent Examples of Synonyms for half-life
Noun
  • Such extreme and long-duration dimming events are incredibly rare.
    Robert Lea, Space.com, 13 Feb. 2026
  • Texas experiences winter cold fronts every year, but what set the February 2021 freeze apart was its magnitude and its duration.
    Newsroom Meteorologist, Houston Chronicle, 13 Feb. 2026
Noun
  • So music media has changed really pretty significantly throughout the course of my lifetime.
    Ben Smith, semafor.com, 14 Feb. 2026
  • My approach to governing is built on a lifetime of fighting for working families, public education, affordable health care, and real economic opportunity, not corporate handouts.
    Eleanor Dearman, Fort Worth Star-Telegram, 14 Feb. 2026
Noun
  • What date does the Lenten season start, end?
    Chris Sims, IndyStar, 10 Feb. 2026
  • Online immigration court records show his next court date would have been in 2029.
    Nuria Martinez-Keel, Oklahoma Voice, 10 Feb. 2026
Noun
  • Amutah-Onukagha envisions a world that improves health care for Black women, who have historically been underserved, throughout their lifespans.
    Alexa Mikhail, Flow Space, 11 Feb. 2026
  • The Health Sciences Center includes tools that allow for AI simulations of health scenarios across the lifespan, Pickens said.
    Ciara McCarthy, Fort Worth Star-Telegram, 10 Feb. 2026
Noun
  • This long-term approach allowed scientists to account for changes in coffee and tea consumption over time, while monitoring for both clinical dementia diagnoses and subtle shifts in cognitive function.
    Khloe Quill, FOXNews.com, 10 Feb. 2026
  • Over time, Warren began to incorporate other martial arts disciplines like Judo and Aikido to teach his students to be well-rounded enough to react to any situation.
    Everett Eaton, jsonline.com, 10 Feb. 2026
Noun
  • At a Friday court hearing for the family’s asylum case, a judge granted a continuance, which postpones the case to a later date, family attorney Danielle Molliver told CNN.
    Alisha Ebrahimji, CNN Money, 7 Feb. 2026
  • Their immediate need is the continuance of church service on Sundays.
    Marvin Hurst, CBS News, 29 Jan. 2026
Noun
  • When the bridge over the Little Calumet River was replaced in 2024 just south of the I-94 span, Waverly Road was closed for seven months.
    Jim Woods, Chicago Tribune, 11 Feb. 2026
  • Walnut Grove’s two-game losing streak, including a 62-53 loss to Melissa on Tuesday night, opened the door for McKinney North, who won back-to-back games during that same span.
    Ishmael Johnson, Dallas Morning News, 11 Feb. 2026
Noun
  • Within this context, the central flaw of the quota/preference (DEI) supporters has always been their misguided definition of justice in terms of group outcomes, rather than individual cases.
    Bradley Gitz, Arkansas Online, 9 Feb. 2026
  • In Gallup’s roughly 80 years of polling, Trump’s approval toward the end of his first calendar year in office (36%) was lower than any other incoming president at the same point in time (only matched by Trump himself in his first term).
    Craig Gilbert, jsonline.com, 9 Feb. 2026

Browse Nearby Words

Cite this Entry

“Half-life.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/half-life. Accessed 15 Feb. 2026.

More from Merriam-Webster on half-life

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!