Here are the matched definitions with their corresponding terms:
- Tar: a thick sticky dark fluid produced when tobacco burns.
- Vaping: inhaling vapor created by an electronic cigarette.
- Stimulant: a drug that increases the action of the central nervous system, the heart, and other organs.
- Nicotine: the addictive drug found in tobacco leaves.
- Addictive drug: a substance that causes physiological or psychological dependence.
- Smokeless tobacco: tobacco that is sniffed through the nose, held in the mouth, or chewed.
- Carcinogen: a cancer-causing substance.
- Carbon monoxide: a colorless, odorless, and poisonous gas.
- e-cigarette: electronic cigarette.