Senescent Definition
sĭ-nĕsənt
adjective
Growing old; aging.
Webster's New World
No longer dividing. Used of a cell.
American Heritage Medicine
Origin of Senescent
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Latin senēscēns senēscent- present participle of senēscere to grow old inchoative of senēre to be old from senex sen- old sen- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
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From Latin senescens, present participle of senescere (“to grow old"), from senere (“to be old"), from senex (“old").
From Wiktionary
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