senescent
[ si-nes-uhnt ]
/ sɪˈnɛs ənt /
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adjective
growing old; aging.
Cell Biology. (of a cell) no longer capable of dividing but still alive and metabolically active.
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Origin of senescent
1650–60; <Latin senēscent- (stem of senēscēns) present participle of senēscere ‘to grow old’, equivalent to sen- ‘old’ + -ēscent--escent
OTHER WORDS FROM senescent
se·nes·cence, nounun·se·nes·cent, adjectiveWords nearby senescent
Senegal, Senegalese, Senegambia, Senegambia Confederation, senescence, senescent, seneschal, Senghor, sengi, Sengstaken-Blakemore tube, senhor
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for senescent
British Dictionary definitions for senescent
senescent
/ (sɪˈnɛsənt) /
adjective
growing old
characteristic of old age
Derived forms of senescent
senescence, nounWord Origin for senescent
C17: from Latin senēscere to grow old, from senex old
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Medical definitions for senescent
senescent
[ sĭ-nĕs′ənt ]
adj.
Growing old; aging.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.