To remove nicotine from tobacco or tobacco products.
From 'de-' (away, remove) + 'nicotine' (the alkaloid drug in tobacco), formed as a technical term in the tobacco industry in the 20th century.
Denicotinized tobacco still tastes like tobacco but removes the addictive kick—it's chemically possible but rarely marketed because nicotine is what smokers actually crave, making it commercially pointless.
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