英语词汇obsidian的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	obsidian
词根词缀	词源： 1656, from L. obsidianus, misprint of obsianus (lapis) "(stone) of Obsius," a Roman alleged by Pliny to have found this rock in Ethiopia.
随便看	cosmopolitism cosmos Cossack cosset cost costa costal co-star costard costermonger costive costly costume cosy cot cote coterie coterminous cotillion cotquean minutiae minx Miocene miosis Mir

英语词根词缀词典收录了31503条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。