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