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nebular |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Nebular \Neb"u*lar\, a. Of or pertaining to nebul[ae]; of the nature of or resembling, a nebula. {Nebular hypothesis}, an hypothesis to explain the process of formation of the stars and planets, presented in various forms by Kant, Herschel, Laplace, and others As formed by Laplace, it supposed the matter of the solar system to have existed originally in the form of a vast, diffused, revolving nebula, which gradually cooling and contracting, threw off in obedience to mechanical and physical laws, succesive rings of matter, from which subsequently, by the same laws, were produced the several planets, satellites, and other bodies of the system. The phrase may indicate any hypothesis according to which the stars or the bodies of the solar system have been evolved from a widely diffused nebulous form of matter. From WordNet r 1.6 [wn]: nebular adj 1: (astronomy) "the nebular hypothesis of the origin of the solar system" 2: resembling a cloud [syn: {cloudlike}]
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