useful life

noun

: the amount of time during which something is in good enough condition to be used
the useful life of a satellite

Examples of useful life in a Sentence

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Modeling is performed using ensembles of ARIMA, LSTM and tree classifiers, which estimate remaining useful life (RUL) and classify potential failure modes. Nagesh Nama, Forbes.com, 10 Sep. 2025 Still, more than 20 years since its initial order, JetBlue officials said the E190’s useful life for the airline has come to an end. Zach Wichter, USA Today, 10 Sep. 2025 According to McAvoy, the new transmission line is designed for 100 years of useful life, will provide all water south of Zero Street once completed and will carry 67% of water from the Lake Fort Smith plant into the city. Arkansas Online, 27 Aug. 2025 The existing finishes / equipment in the corridor are over 20 years old and are past their useful life. Ricardo Torres, jsonline.com, 17 July 2025 See All Example Sentences for useful life

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“Useful life.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/useful%20life. Accessed 19 Sep. 2025.

Legal Definition

useful life

noun
use·​ful life
: an estimated amount of time during which an asset or facility will yield income or be useful see also depreciation sense 1
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