4 definitions found From The Collaborative International Dictionary of English v.0.48 [gcide]: Nebula \Neb"u*la\ (n[e^]b"[-u]*l[.a]), n.; pl. {Nebulae} (n[e^]b"[-u]*l[=e]). [L., mist, cloud; akin to Gr. nefe`lh, ne`fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.] 1. (Astron.) A faint, cloudlike, self-luminous mass of matter situated beyond the solar system among the stars. The term was originally applied to any diffuse luminous region. Now, technically, it is applied to interstellar clouds of dust and gases ({diffuse nebula}). However distant galaxies and very distant star clusters often appear like them in the telescope, such as the {spiral nebula} in Andromeda, known now to be a distant galaxy. [1913 Webster +PJC] 2. (Med.) (a) A white spot or a slight opacity of the cornea. (b) A cloudy appearance in the urine. [Obs.] [1913 Webster] From WordNet (r) 2.0 [wn]: nebula n 1: a medicinal liquid preparation intended for use in an atomizer 2: cloudiness of the urine 3: an immense cloud of gas (mainly hydrogen) and dust in interstellar space 4: (pathology) a faint cloudy spot on the cornea [also: {nebulae} (pl)] From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]: 19 Moby Thesaurus words for "nebula": Black Magellanic Cloud, Crab Nebula, Gegenschein, bright diffuse nebula, coalsack, counterglow, dark cloud, dark nebula, diffuse nebula, dust cloud, gaseous nebula, nebula of Lyra, nebular hypothesis, nebulosity, nebulous stars, planetary nebula, ring nebula, the Coalsack, zodiacal light From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]: Nebula An early business-oriented language from {ICL} for the {Ferranti Orion} computer. ["NEBULA - A Programming Language for Data Processing", T.G. Braunholtz et al, Computer J 4(3):197-201 (1961)]. (1994-11-29)
Powered by Blog Dictionary [BlogDict]
Kindly supported by
Vaffle Invitation Code
Get a Freelance Job - Outsource Your Projects | Threadless Coupon
All rights
reserved. (2008-2024)