planetesimal
See also: planétésimal
English
Etymology
Formed from planet by analogy with infinitesimal.
Noun
planetesimal (plural planetesimals)
- (astronomy) Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.
Derived terms
Translations
a small, solid astronomical object
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See also
- protoplanet
- planetoid
- minor planet
- dwarf planet
- major planet
- superplanet
- planet
- planemo
- mesoplanet
- asteroid
Adjective
planetesimal (not comparable)
- (astronomy) Being or relating to one of these astronomical objects.
- a planetesimal body
Spanish
Pronunciation
- IPA(key): /planetesiˈmal/ [pla.ne.t̪e.siˈmal]
- Rhymes: -al
- Syllabification: pla‧ne‧te‧si‧mal
Adjective
planetesimal m or f (masculine and feminine plural planetesimales)