单词 | galaxy |
释义 | galaxy[ gal-uhk-see ] / ˈgæl ək si / SEE SYNONYMS FOR galaxy ON THESAURUS.COM noun, plural gal·ax·ies.Astronomy.
any large and brilliant or impressive assemblage of persons or things: a galaxy of opera stars. Origin of galaxy1350–1400; Middle English galaxie, galaxias<Medieval Latin galaxia,galaxias, ultimately <Greek galaxías kýklos the Milky Way; see galacto- Words nearby galaxyGalatia, Galatian, Galatians, galatine, galax, galaxy, Galba, galbanum, Galbraith, Galbraith, John Kenneth, Galcha Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for galaxyBritish Dictionary definitions for galaxy (1 of 2)galaxy / (ˈɡæləksɪ) / noun plural -axiesany of a vast number of star systems held together by gravitational attraction in an asymmetric shape (an irregular galaxy) or, more usually, in a symmetrical shape (a regular galaxy), which is either a spiral or an ellipseFormer names: island universe, extragalactic nebula Related adjective: galactic a splendid gathering, esp one of famous or distinguished people Word Origin for galaxyC14 (in the sense: the Milky Way), from Medieval Latin galaxia, from Latin galaxias, from Greek, from gala milk; related to Latin lac milk British Dictionary definitions for galaxy (2 of 2)Galaxy / (ˈɡæləksɪ) / nounthe Galaxy the spiral galaxy, approximately 100 000 light years in diameter, that contains the solar system about three fifths of the distance from its centreAlso known as: the Milky Way System See also Magellanic Cloud Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for galaxygalaxy A large, self-contained mass of stars. notes for galaxyA common form for galaxies is a bright center with spiral arms radiating outward. notes for galaxyThe universe contains billions of galaxies. notes for galaxyThe sun belongs to the galaxy called the Milky Way. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for galaxygalaxy [ găl′ək-sē ] Any of numerous large-scale collections of stars, gas, and dust that make up the visible universe. Galaxies are held together by the gravitational attraction of the material contained within them, and most are organized around a galactic nucleus into elliptical or spiral shapes, with a small percentage of galaxies classed as irregular in shape. A galaxy may range in diameter from some hundreds of light-years for the smallest dwarfs to hundreds of thousands of light-years for the largest ellipticals, and may contain from a few million to several trillion stars. Many galaxies are grouped into clusters, with the clusters themselves often grouped into larger superclusters. See more at active galaxy. See also elliptical galaxy irregular galaxy lenticular galaxy spiral galaxy. the Galaxy. The Milky Way. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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