preplanetary

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Before the existence or formation of planets. not-comparable
  2. Relating to a stage in the life of a red giant star or its preplanetary nebula during the star's final stages of life not-comparable

词形变化

pre-planetary alternative pre-planetary alternative

词汇关系

相关词
planet planetary

词源

词源 1
From pre- + planetary.
词源 2
From preplanetary nebula, from pre- + planetary nebula.
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