U+7164 "煤" CJK Unified Ideograph-# Unicode Character

U+7164 "煤" CJK Unified Ideograph-# is a Chinese character primarily used to mean coal, referring to the black or dark brown combustible sedimentary rock formed from fossilized plant matter, and by extension, charcoal or soot. Its composition includes the fire radical on the left and a phonetic component on the right, reflecting its ancient association with combustion and fuel. In modern usage, it appears in words like 煤炭 meaning coal fuel and 煤气 meaning coal gas or gas, and it plays a significant role in technical, environmental, and everyday contexts in East Asian languages such as Chinese, Japanese, and Korean.