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Definitions

senescent

[si-nes-uhnt] / sɪˈnɛs ənt /


ADJECTIVE
obsolescent
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One of the review's central conclusions is that senescent cells are highly diverse and should not be treated as a single uniform population.

From Science Daily • May 22, 2026

In each of these systems, cells can become senescent due to factors such as oxidative stress, mitochondrial dysfunction, DNA damage, chronic inflammation, metabolic stress, telomere shortening, ultraviolet radiation, and environmental pollution.

From Science Daily • May 22, 2026

Scientists believe emerging technologies such as single-cell omics, lineage tracing, and spatial profiling may help reveal the distinct subtypes of senescent cells and identify safer therapeutic targets.

From Science Daily • May 22, 2026

Some senescent cells may limit fibrosis and assist tissue repair, while others appear to fuel chronic inflammation, metabolic disorders, tissue degeneration, and even cancer progression.

From Science Daily • May 22, 2026

In one thin arm, threaded with veins in a kind of senescent bas-relief, was a basket.

From "The Great Santini" by Pat Conroy




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