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life expectancy |
Also found in: Medical, Financial, Wikipedia, Hutchinson | 0.02 sec. |
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life expectancy [′līf ik′spek·tən·sē] (biology) The expected number of years that an organism will live based on statistical probability. (engineering) The predicted useful service life of an item of equipment. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Many programs accept cell phones (which have an average lifespan of 18 months), including police stations and Call to Protect (www. Most asphalt and concrete runways have an average lifespan between 16 and 20 years, says Proulx. Even if these estimates are an exaggeration, over the past few centuries the average lifespan has increased due to improvements in hygiene, diet, and medical treatment--and some continued increase is to be expected. |
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