planetesimal

RELATED WORD :

 : 
Noun
 : 
plan=e=tes=i=mal

WORDNET DICTIONARY

Noun planetesimal has 1 sense

OXFORD DICTIONARY

planetesimal, n. any of a vast number of minute planets or planetary bodies.

Idiom
planetesimal hypothesis the theory that planets were formed by the accretion of planetesimals in a cold state.
Etymology
PLANET, after infinitesimal

For further exploring for "planetesimal" in Webster Dictionary Online


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