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have decayed

  • present perfect of decay.

Example Sentences

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“Remote and hybrid work used to be a privilege, but its benefits over in-person work have decayed across the board,” Chris Martin, senior economist at Glassdoor, told MarketWatch.

From MarketWatch Jun. 27, 2026

In several cases, these concretions sealed off the interior lining, preserving pieces of fabric that would normally have decayed long ago.

From Science Daily Jun. 8, 2026

Methane spends a lot less time in the atmosphere than carbon dioxide; about 20 years after it's released, most of it will have decayed, while carbon dioxide lingers in the atmosphere for hundreds of years.

From Salon Sep. 17, 2024

Some of these radionuclides have a relatively short half-life and would already have decayed in the 12 years since the disaster.

From Scientific American Jun. 23, 2023

If an isotope is said to have a half-life of five years, you can expect roughly half of the atoms to have decayed in that amount of time.

From "Meltdown" by Deirdre Langeland