protoplanetary
See also: proto-planetary
English
editAlternative forms
editEtymology 1
editproto- + planetary and protoplanet + -ary
Adjective
editprotoplanetary (not comparable)
- (astronomy, planets) Of or pertaining to a protoplanet.
Coordinate terms
editDerived terms
editRelated terms
editTranslations
editof or pertaining to a protoplanet
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Etymology 2
editFrom protoplanetary nebula, from proto- + planetary nebula.
Adjective
editprotoplanetary (not comparable)
- Relating to a stage in the life of a red giant star or its protoplanetary nebula during the star's final stages of life