senescence

Pronunciation:		sun'esuns
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WordNet Dictionary

	Definition:	[n] the property characteristic of old age [n] the organic process of growing older and showing the effects of increasing age

	Synonyms:	agedness, ageing, aging

	See Also:	biological process, catabiosis, oldness, organic process

Webster's 1913 Dictionary

	Definition:	\Se*nes"cence\, n. [See {Senescent}.] The state of growing old; decay by time.

Medical Dictionary

	Definition:	Process of aging.

Biology Dictionary

	Definition:	The state of being in old age; the process of aging. The biological study of aging and its effects on the body.

Glossary

	Definition:	old age.