senescent

[ si-nes-uh nt ]
/ sɪˈnɛs ənt /

adjective

growing old; aging.
Cell Biology. (of a cell) no longer capable of dividing but still alive and metabolically active.

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, noun un·se·nes·cent, adjective

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, noun

Word Origin for senescent

C17: from Latin senēscere to grow old, from senex old

Medical definitions for senescent

senescent
[ sĭ-nĕsənt ]

adj.

Growing old; aging.