Definitions from Wiktionary (Proto-planetary)
▸ adjective: Alternative form of protoplanetary [(astronomy, planets) Of or pertaining to a protoplanet.]
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▸ adjective: Alternative form of protoplanetary [(astronomy, planets) Of or pertaining to a protoplanet.]
Similar:
pre-planetary,
multi-planetary,
extra-planetary,
planispherical,
protistian,
transneptunian,
Jovian,
protozoologic,
trans-lunar,
extra-solar,
more...
Opposite:
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▸ Wikipedia articles (New!)
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▸ Words that often appear near proto-planetary
▸ Rhymes of proto-planetary
▸ Invented words related to proto-planetary