U+70BC "炼" CJK Unified Ideograph-# Unicode Character

U+70BC "炼" CJK Unified Ideograph-# is a Chinese character meaning "to smelt," "to refine," or "to temper," often used in contexts involving the processing of metals or the cultivation of skills and character through sustained effort. Composed of the fire radical 火 and a phonetic component 柬, it visually and etymologically relates to the application of heat to purify or strengthen materials. In modern usage, the character appears in words like 炼钢 (refining steel) and 锻炼 (to exercise or temper oneself), and it also carries a metaphorical sense of undergoing discipline or hardship to achieve excellence. As part of the CJK Unified Ideographs block in Unicode, it serves as a standard encoded representation for Chinese, Japanese, and Korean script systems.