Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
The radius of a celestial body when it is long enough to allow gravity to transform the body into a globe, typically estimated at approximately 300 kilometres.
Definition source: English Wiktionary via Wiktextract
Usage: informal
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From the appearance of smaller bodies looking like potatoes, + radius.
