Varenicline

Varenicline is a prescription medication used to treat nicotine dependence by partial agonist activity at nicotinic acetylcholine receptors, reducing withdrawal and cigarette reinforcement. As a chemical noun, it denotes a specific pharmaceutical compound, often discussed in medical, pharmacology, and regulatory contexts. In speech, it is pronounced as a polysyllabic term with stable stress, commonly encountered in clinical conversations and patient education materials.