protoplanet
protoplanet
Definition
proto·planet (prōt′ō plan′it)
noun
in some cosmological theories, any of the hundreds of swirling clouds of dust and gas that form around a star and eventually evolve into individual planets
pro′to·plan′etar′y (-i ter′ē) adjective
protoplanet
Usage Examples
Noun used with modifier
- earth: The image on the left shows a snapshot of a 30 Earth mass protoplanet embedded in a viscous, laminar disk model.
Browse dictionary entries near protoplanet
- protopathic
- protonymph
- protonotary
- protonephridium
- protonema
- proton synchrotron
- proton
- protomartyr
- protolithic
- protolanguage
- protoplasm
- protoplast
- protostar
- protostele
- prototrophic
- prototype
- protoxide
- protoxylem
- protozoan
- protozoology
