磚紅土 zhuānhóngtǔ red brick clay Origin Definitions Defs Strokes Stroke Words Sentences Sents 砖 磚 zhuān noun brick brick; building block; floor or wall tile红土 紅土 hóngtǔ noun red soil red soil or clay; laterite. This acidic soil is rich in iron oxide and is common in tropical regions south of the Yangtze River. Also known as 红壤 hóngrǎng.