单词 | astroid |
释义 | astroid, a. and n.|ˈæstrɔɪd| [f. Gr. ἀστροειδής star-like, f. ἀστήρ star: see -oid.] A. adj. Star-shaped, star-like (cf. asteroid a.).
1909in Webster. B. n. Geom. A hypocycloid with four cusps.
1897H. Lamb Infinit. Calculus ix. §138 The ‘four-cusped hypocycloid’..is sometimes called the ‘astroid’. |

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
相关内容11:
相关热词搜索:astroid英英词典英英释义英语词汇意思用法释义英语