planetesimal

(redirected from Planetessimal)
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plan·e·tes·i·mal

 (plăn′ĭ-tĕs′ə-məl)
n.
Any of innumerable small bodies thought to have orbited the sun during the formation of the planets.


plan′e·tes′i·mal adj.

planetesimal

(ˌplænɪˈtɛsɪməl) astronomy
n
(Astronomy) any of a number of small bodies formerly thought to have been drawn from the sun by the close passage of a star to the sun, eventually coalescing to form the planets
adj
(Astronomy) of or relating to planetesimals

plan•e•tes•i•mal

(ˌplæn ɪˈtɛs ə məl)
n.
one of the small celestial bodies that, according to one theory, were fused to form the planets of the solar system.
[1900–05; planet + (infinit) esimal]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.planetesimal - one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system
celestial body, heavenly body - natural objects visible in the sky
Translations
planétésimal