rotor
n.
1873, irregular shortening of rotator (see rotate, v.), originally in mathematics. Mechanical sense is attested from 1903; specifically of helicopters from 1930.
〔蒋〕[rot轮，转，-or表示物] 旋转体，转动体，(直升飞机的)水平旋翼
〔蒋〕[rot轮，转，-or表示物] 旋转体，转动体，(直升飞机的)水平旋翼
| 词汇 | rotor |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 rotor n. 1873, irregular shortening of rotator (see rotate, v.), originally in mathematics. Mechanical sense is attested from 1903; specifically of helicopters from 1930. 〔蒋〕[rot轮，转，-or表示物] 旋转体，转动体，(直升飞机的)水平旋翼 |
| 随便看 |
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。