Definition of galaxy in US English:

galaxy

nounPlural galaxies

  • 1A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

    The Galaxy in which the earth is located is a disk-shaped spiral galaxy with approximately 100,000 million stars. The sun is located about two thirds of the way out from the center

    • ‘The clusters smashed together thousands of galaxies and trillions of stars.’
    • ‘There are reckoned to be about 400 billion stars in our galaxy, the Milky Way.’
    • ‘Section IV takes us off the land and into comets, galaxies and constellations of stars.’
    • ‘That is, we can discover things about the stars and galaxies involved from the way in which the Moon cuts off their light.’
    • ‘Near the geographic center of the galaxy was a binary star system called Theralia.’
    • ‘The rishis tell us of the galactic center of the universe, which feeds energy to all the galaxies and solar systems of the universe.’
    • ‘But of course it has structures in it, stars and galaxies and clusters of galaxies.’
    • ‘He was thinking only of the chance of individual stars within our own galaxy, the Milky Way, acting this way.’
    • ‘There really is a big mountain out there on some planet in some solar system in some galaxy.’
    • ‘Or it may expand so fast that gravity could never pull galaxies together again.’
    • ‘Supermassive black holes are found in the centers of galaxies that contain billions of stars.’
    • ‘Stars and planets, galaxies and nebulas unveil themselves close to the eyes of the visitors.’
    • ‘Just as stars are the building blocks of galaxies, galaxies are the building blocks of the universe.’
    • ‘There are a hundred billion stars in our galaxy alone and there are billions of other galaxies.’
    • ‘Eventually, these protogalactic fragments merged and galaxies and quasars formed.’
    • ‘This clumping in turn produced the galaxies and clusters of galaxies we see today.’
    • ‘Some massive clusters of galaxies are similarly held together against the cosmic flow.’
    • ‘With even greater, if not absolute certainty, we know that man can never be in a position to detect life in other solar systems of galaxies.’
    • ‘In the Nature we observe, the Universe is filled with dust and gas in addition to stars, planets and galaxies.’
    • ‘New planetary star systems and galaxies are being discovered almost daily.’
    star system, solar system, constellation, cluster, nebula
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    1. 1.1 The galaxy of which the solar system is a part; the Milky Way.
      • ‘And he needs to be president of the Galaxy to do it.’
      • ‘We realized that our Galaxy was just one of many billions of galaxies in the universe.’
      • ‘On another note, this story takes place now, just in a different part of the galaxy.’
      • ‘You can conquer the galaxy with your best friends in a single evening.’
      • ‘Conquering the galaxy involves dealing with a couple hundred billion stars at least.’
    2. 1.2 A large group of impressive people or things.
      ‘the four musicians have played with a galaxy of stars’
      • ‘The official website is now a positive galaxy of useful stuff.’
      • ‘Kalpana Chawla, her name now enshrined in the galaxy of super achievers, was a rare bird indeed.’
      • ‘Greetings from a convention of those who admire the galaxy of nameless icons!’
      • ‘In the galaxy of first-class hams, this one most definitely deserves its spot.’
      • ‘I would like to say that he was an emperor amongst the present galaxy of saints.’
      • ‘To create his galaxy of impressions, Baxter watched television avidly, even backstage between stage shows.’
      • ‘Music fans flocked to hear a galaxy of international stars at a festival of global music and dance.’
      • ‘Wales were savaged by the absence of a galaxy of their players.’
      • ‘There were other great athletes in those days as well, in fact a galaxy of them.’
      • ‘A whole galaxy of cool, disco artists are banding together for a fun show to remember.’
      • ‘We don't have the galaxy of players we had when we had Woosnam and Lyle, Faldo and Ballesteros.’
      • ‘RSS-fortified radio on mobile phones opens a whole galaxy of possibilities.’
      • ‘Auden was the next writer to sign on, bringing in his wake a galaxy of homeless talents.’
      • ‘Archeologists unearthed a galaxy of merry swastikas when they excavated Troy.’
      • ‘Major cash problems for Australian clubs means a galaxy of internationals will want to play in Britain next season.’
      brilliant gathering, dazzling assemblage, illustrious group
      View synonyms

Origin

Late Middle English (originally referring to the Milky Way): via Old French from medieval Latin galaxia, from Greek galaxias (kuklos) ‘milky (vault)’, from gala, galakt- ‘milk’.

Pronunciation

galaxy

/ˈɡaləksē//ˈɡæləksi/