1= ramisectomy. Now historical and rare.
2Osteotomy through the ramus of the mandible. rare.
1920s; earliest use found in Medical Journal of Australia. From ramus + -i- + section.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。