The Chinese word "煤矿" (méikuàng) is a compound noun formed by combining two independent characters, each with its own meaning, to create a new, specific term. The first character, "煤" (méi), means "coal," referring to the combustible black sedimentary rock. The second character, "矿" (kuàng), means "mine" or "ore deposit," denoting a site of mineral extraction. When combined in this modifier-head structure, "煤" specifies the type of "矿," resulting in the precise meaning of "coal mine"—a place where coal is excavated from the earth. This formation exemplifies the common and logical Chinese morphological process of creating transparent compound words where the first element describes the second.