caffeinism

American

[ka-fee-niz-uhm, kaf-ee-niz-, kaf-ee-uh-] / kæˈfi nɪz əm, ˈkæf iˌnɪz-, ˈkæf i ə- /

noun

chronic toxicity caused by excessive intake of caffeine, characterized by anxiety, irritability, palpitations, insomnia, and digestive disturbances.

First recorded in 1885–90; caffeine + -ism

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caffeinism

And from the Medical: caffeinism, essential tremor, forensic odontology, music therapy.

From Slate ● Jan. 12, 2015

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023