English Explanatory Dictionary

protoplanetary

English dictionary entry

Meanings

adj
  1. Of or pertaining to a protoplanet.
adj
  1. Relating to a stage in the life of a red giant star or its protoplanetary nebula during the star's final stages of life

Word forms

protoplanetary proto-planetary

Etymology

From proto- + planetary and protoplanet + -ary.

Related words

planet planetary preplanetary inter-planetary interplanetary post-planetary postplanetary pre-planetary protoplanet nebula planetary nebula preplanetary nebula protoplanetary nebula

Derived words

proplyd protoplanetary core protoplanetary disc protoplanetary disk protoplanetary embryo protoplanetary nebula protoplanetary object
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