preplanetary

别名

pre-planetary

释义与例句

adj.
  1. 1.

    Before the existence or formation of planets.

  2. 1.

    Relating to a stage in the life of a red giant star or its preplanetary nebula during the star's final stages of life

相关短语

preplanetary nebula preplanetary nebulae preplanetary nebulas

词源

From pre- + planetary.

来源：wiktionary