planetesimal
noun/ˌplænɪˈtɛsɪməl/
Frequency rank: #19,991 of 20,003 in the WORDED list (wordfreq data)
Meaning
A small solid celestial body that existed in the early solar system and could combine with others to form planets.
Example sentence
Scientists believe each young planetesimal grew by colliding and merging with others in the early solar system.
Synonyms & related words
More words in ranks 19,901–20,000
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