First Known Use: 1695
Dictionary
senescence
noun se·nes·cence \si-ˈne-sən(t)s\
: the state of being old or the process of becoming old
Full Definition of SENESCENCE
1
: the state of being old : the process of becoming old
2
: the growth phase in a plant or plant part (as a leaf) from full maturity to death
— se·nes·cent \-sənt\ adjective
See senescence defined for English-language learners
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Origin of SENESCENCE
senescent, from Latin senescent-, senescens, present participle of senescere to grow old, from sen-, senex old
Medical Dictionary
senescence
noun se·nes·cence \si-ˈnes-ən(t)s\
Medical Definition of SENESCENCE
: the state of being old : the process of becoming old
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