nicotine gum

Definition of nicotine gum
National Cancer Institute

nicotine gum

(NIH-kuh-TEEN…)
A chewing gum that contains a small dose of nicotine, which enters the blood by being absorbed through the lining of the mouth. This helps stop nicotine cravings and relieves symptoms that occur when a person is trying to quit smoking. A prescription is not needed for nicotine gum.

Source: NCI Dictionary of Cancer Terms