vulcanoid

祝融型小行星

发音

US

词形变化

vulcanoids 复数 vulcanoids

别名

Vulcanoid

释义与例句

n.
  1. 1.

    A member of the hypothetical population of small asteroids orbiting in the dynamically stable zone between 0.08 and 0.21 AU from the Sun

    天文
  2. 2.

    An asteroid whose orbit is wholly within the orbit of Mercury.

    非正式 引申义
adj.
  1. 1.

    Of or pertaining to a vulcanoid.

    天文

词源

From Vulcan + -oid, from the hypothetical planet Vulcan, erroneously believed to exist within the orbit of Mercury.

来源：wiktionary