英语词汇periodontics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	periodontics
词根词缀	Online Etymology Dictionary periodontics n. 1948, from periodontia (1914; see periodontal) + -ics. Periodontic (adj.) is attested by 1889.
随便看	Scythian Scytho- scytho- scyto- se cost-effective costermonger costi- costive costly costo- costo-, cost-, costi- costume cosy cot cotangent cote coterie coterminous cotillion cotquean cotravene cott- cottage cotter

英语词根词缀词典收录了54763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。