Thesaurus results for HALF-LIFE

half-life

noun

Definition of half-life

as in duration

Related Words

Relevance

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 In fact, the zone is expected to persist for millennia, mainly because of radioactive isotopes, such as plutonium-bearing fuel particles with a half-life of 24,000 years. — Georgina Jedikovska, Interesting Engineering, 26 Apr. 2026 Those close to Khong marvel at the long half-life of her short stories. — Mariella Rudi, Los Angeles Times, 13 Apr. 2026 But still, David and I walk parallel paths in the long half-life of loss. — Literary Hub, 13 Apr. 2026 Cesium 137 is highly soluble in water and has a half-life of 30 years, Alkis says. — Stephanie Pappas, Scientific American, 10 Apr. 2026 See All Example Sentences for half-life

Recent Examples of Synonyms for half-life

Noun

From long-duration missions aboard the International Space Station to helping prepare the Artemis generation, his contributions have helped position NASA for what comes next.

— Madeline Bartos, CBS News, 13 Aug. 2026
Sky-gazers in Greenland and Iceland will experience the longest duration of totality — about two minutes and 15 seconds — in the late afternoon and early evening.

— Ashley Strickland, CNN Money, 12 Aug. 2026

Definition of duration

Noun

Huang says the systems can be improved through his company's CUDA software, and their lifespans extended, leading to better economics.

— Kif Leswing, CNBC, 11 Aug. 2026
Software built that way accumulates weight rather than value, and its usable lifespan shrinks instead of extending.

— Muhammad Muzammil Rawjani, Forbes.com, 10 Aug. 2026

Definition of lifespan

Noun

In an exclusive chat with PEOPLE at the premiere on Sunday, Hathaway opened up about how pregnancy feels different this time around in her 40s.

— Escher Walcott, PEOPLE, 10 Aug. 2026
Protect your base, then show up publicly with calm, steady authority that people can trust over time.

— Tarot.com, Baltimore Sun, 10 Aug. 2026

Definition of time

Noun

His hearing, during which he was served a life sentence, occurred this month after the defense requested multiple continuances.

— Eleanor Jacobs, PEOPLE, 15 July 2026
Commissioners who voted against the continuance were John Dillon, Daniel Moriarty, Gregg West and Brian Murphy.

— Jordan Smith, IndyStar, 15 July 2026

Definition of continuance

Noun

Hurree offers monthly, quarterly, or annual terms, customer's choice, from the first day.

— Jason Snyder, Forbes.com, 8 Aug. 2026
Trump’s gravitation toward grass may grow out of his decades as a New York real estate developer, time spent on the golf course and extensive, second-term efforts to revamp the White House and greater Washington in his own image.

— Will Weissert, Los Angeles Times, 8 Aug. 2026