protoplanetary

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Of or pertaining to a protoplanet. not-comparable
  2. Relating to a stage in the life of a red giant star or its protoplanetary nebula during the star's final stages of life not-comparable

词形变化

proto-planetary alternative proto-planetary alternative

词汇关系

相关词
planet planetary preplanetary

词源

词源 1
From proto- + planetary and protoplanet + -ary.
词源 2
From protoplanetary nebula, from proto- + planetary nebula.
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