planetesimal
See also: planétésimal
English
editEtymology
editFormed from planet by analogy with infinitesimal.
Noun
editplanetesimal (plural planetesimals)
- (astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.
Derived terms
editTranslations
edita small, solid astronomical object
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See also
edit- protoplanet
- planetoid
- minor planet
- dwarf planet
- major planet
- superplanet
- planet
- planemo
- mesoplanet
- asteroid
Adjective
editplanetesimal (not comparable)
- (astronomy) Being or relating to one of these astronomical objects.
- a planetesimal body
Spanish
editAdjective
editplanetesimal m or f (masculine and feminine plural planetesimales)