protoplanetary
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See also: proto-planetary
English[edit]
Alternative forms[edit]
Etymology 1[edit]
proto- + planetary and protoplanet + -ary
Adjective[edit]
protoplanetary (not comparable)
- (astronomy, planets) Of or pertaining to a protoplanet.
Coordinate terms[edit]
Derived terms[edit]
Related terms[edit]
Translations[edit]
of or pertaining to a protoplanet
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Etymology 2[edit]
From protoplanetary nebula, from proto- + planetary nebula.
Adjective[edit]
protoplanetary (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