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Definitions

degeneration

[dih-jen-uh-rey-shuhn] / dɪˌdʒɛn əˈreɪ ʃən /


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.

Apellis has two approved drugs: Empaveli, which is approved to treat two rare kidney diseases, and Syforvre, which is used by patients with geographic atrophy, an advanced form of dry age-related macular degeneration.

From MarketWatch • Mar. 31, 2026

The research set out to determine whether CaAKG could improve synaptic plasticity in the Alzheimer's brain, restore memory-related signaling, protect neurons from early degeneration, and support healthier cognitive aging overall.

From Science Daily • Jan. 25, 2026

Vivien Hillgrove, writer, producer and first-time director on this film, was enjoying a 50-year career of movie editing when she started losing her sight to a form of macular degeneration.

From The Wall Street Journal • Jan. 22, 2026

"The findings could be groundbreaking because while there are a few treatments available that delay the progress of macular degeneration, there are none able to reverse the damage already done."

From Science Daily • Jan. 9, 2026

The paralysis was accompanied by destruction of the nerve sheaths and by degeneration of the cells of the anterior horns of the spinal cord.

From "Silent Spring" by Rachel Carson