Relating to, containing, or affected by caffeine; having the properties or effects associated with caffeine.
From caffeine plus the adjective suffix -ic. A technical or literary formation used to describe things characterized by caffeine or its effects, though rarely used compared to 'caffeinated.'
While 'caffeinated' is the everyday word, 'caffeinic' sounds more scientific and abstract—a 'caffeinic beverage' sounds clinical, while a 'caffeinated drink' sounds casual. Language lets us adjust the tone of the same concept.
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