PROTOPLANET


Meaning of PROTOPLANET in English

/proh"toh plan'it/ , n. Astron.

the collection of matter, in the process of condensation, from which a planet is formed.

[ 1945-50; PROTO- + PLANET ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .