Definition of Big Bang in English:

Big Bang

noun

  • 1Astronomy
    The rapid expansion of matter from a state of extremely high density and temperature which according to current cosmological theories marked the origin of the universe.

    • ‘Furthermore the big bang and the big crunch are actually the same event, just viewed from different directions.’
    • ‘Gamma Ray Bursts are the most violent explosions the universe has seen since the big bang, astronomers say.’
    • ‘The big bang singularity is where all the mass of the universe used to be concentrated.’
    • ‘The image contains stunning detail of the universe just after the big bang.’
    • ‘The big bang theory, evolution, plate tectonics, and other scientific marvels fascinated me.’
    • ‘Globally the symmetry is broken in any universe that is finite, or began with a big bang.’
    • ‘In the initial stages of the big bang the universe existed in a highly compressed state.’
    • ‘For the first third of a million years or so after the big bang, matter and energy in the universe moved in lockstep.’
    • ‘The big bang should have produced equal quantities of matter and antimatter.’
    • ‘Cosmologists imagine the big bang theory by means of an analogy to an expanding balloon.’
    • ‘Thus, the big bang was not an explosion in space; it was more like an explosion of space.’
    • ‘They are the most violent events ever to have occurred in the universe, aside from the big bang itself.’
    • ‘These bursts may be the universe's biggest explosions since the original big bang.’
    • ‘From a massive explosion, the big bang, the universe started and has been expanding ever since.’
    • ‘The big bang is the cosmic event that is theorized to have marked the origin of the universe.’
    • ‘Science however, has the big bang growing due only to internal factors: matter and gravity.’
    • ‘Some of the matter ejected by the big bang forms galaxies, like our very own milky way.’
    • ‘This changes the whole view of the universe - big bang astronomy will never be the same.’
    • ‘Indeed, all of the matter in the universe was created in the first few moments after the big bang.’
    • ‘What if all the dark matter during the first few minutes after the big bang had been dark ordinary matter?’
  • 2(in the UK) the introduction in 1986 of major changes in trading on the Stock Exchange, principally involving widening of membership, relaxation of rules for brokers, and computerization.

Pronunciation:

Big Bang

/bɪɡ ˈbaŋ/