How to Use half-life in a Sentence

half-life

noun

• Its half-life can range from about one hour to up to five days.
  — Ayesha Gulzar, Verywell Health, 25 Aug. 2025
• But if anger has a long half-life in this book, then so does love.
  — Giles Harvey, New Yorker, 30 Mar. 2026
• But technetium-99m has a very short half-life, just six hours or so.
  — Chris Baraniuk, WIRED, 27 Nov. 2024
• But the short half-life of 26Al means this growth had to be quick.
  — Linda T. Elkins-Tanton, Scientific American, 1 Dec. 2016
• Caffeine has a half-life of roughly five to six hours but can stay in your body longer.
  — Elizabeth Barnes, Verywell Health, 19 Mar. 2025
• Those close to Khong marvel at the long half-life of her short stories.
  — Mariella Rudi, Los Angeles Times, 13 Apr. 2026
• Drugs can have different half-lives, with some ranging from a few hours to days.
  — Phuoc Anh (anne) Nguyen, Pharmd, Ms, Verywell Health, 17 July 2024
• Klonopin, on the other hand, has a half-life of between twenty and eighty hours.
  — P.e. Moskowitz september 11, Literary Hub, 11 Sep. 2025
• Delta 8 has a half-life that ranges from 4 to 12 hours based on these factors.
  — Amber Smith, Discover Magazine, 4 Aug. 2023
• For the average person, caffeine has a half-life of about five hours.
  — Carley Millhone, Health, 4 Oct. 2025
• His efforts to blame everyone else for his own failures are sure to have a very short half-life.
  — Michael Hiltzik, Los Angeles Times, 20 May 2025
• So, Lynch asks, what if dark matter has a half-life of roughly a billion years?
  — Lyndie Chiou, Scientific American, 30 Apr. 2025
• But still, David and I walk parallel paths in the long half-life of loss.
  — Literary Hub, 13 Apr. 2026
• The good news is that phthalates have a short half-life and leave the body within a few days, experts said.
  — Sandee Lamotte, CNN Money, 31 Mar. 2026
• Voters’ minds are fleeting and blame has a quick half-life in Washington.
  — Philip Elliott, TIME, 14 Feb. 2025
• All uranium is radioactive, and each isotope has its own unique half-life.
  — Kathryn Higley, The Conversation, 16 June 2023
• Classic-film cable and streaming services have tended to have short half-lives.
  — Michael Hiltzik, Los Angeles Times, 29 June 2023
• Here’s what to know about caffeine’s half-life, plus the amount of caffeine found in your favorite coffee orders.
  — Jillian Kubala, Health, 2 June 2025
• Uranium has been a hot commodity, and its rally could have a long half-life.
  — Jinjoo Lee, WSJ, 9 Jan. 2024
• But even materials with long half-lives can be hazardous over longer periods of time.
  — Julia Jacobo, ABC News, 21 June 2025
• Key Takeaways Nicotine has a half-life of about two hours and can stay in the blood for about one to three days.
  — Heather Jones, Verywell Health, 30 Nov. 2025
• Most of the chemicals that were released in the derailment have a short half-life, Booth said.
  — Julia Jacobo, ABC News, 7 Mar. 2023
• Its half-life is a staggering 432 years, five times longer than plutonium-238.
  — Kaif Shaikh, Interesting Engineering, 14 Nov. 2025
• Iodine radioisotopes have half-lives that span from a tenth of a second to 16 million years.
  — Andrea Richard, The Conversation, 2 Oct. 2025
• The mobile space race and its half-life have significantly reduced.
  — Zak Doffman, Forbes.com, 8 July 2025
• Cotinine, a byproduct of nicotine, has a half-life of 18 hours and can last for several days.
  — Heather Jones, Verywell Health, 30 Nov. 2025
• Image Celebrity status has a half-life, especially when much of your fan base consists of teenage boys.
  — Bruce Schoenfeld, New York Times, 22 Jan. 2025
• To conduct and study chemical reactions, researchers require an element with a half-life of at least half a second.
  — Stephanie Pappas, Scientific American, 14 May 2024
• Are they doomed to live half-lives, gauged in literal length or internal fulfillment, always under the thumb of one boss or another?
  — Ben Travers, IndieWire, 12 Dec. 2024
• Cesium 137 is highly soluble in water and has a half-life of 30 years, Alkis says.
  — Stephanie Pappas, Scientific American, 10 Apr. 2026