Definition of long-life
1
: made to last a long time
long-life batteries
2
British
: having a substance added that allows something to remain fresh or good for a long time
long-life milk
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“Long-life.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/long-life. Accessed 22 Jan. 2022.
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