big bang

big bang (plural big bangs)

  1. (astrophysics) An explosion giving rise to a universe.
    Millions of big bangs may be happening as we speak.
  2. In project management, a project that has no staged delivery. The customer must wait, sometimes months, before seeing anything. At the end of the wait comes a "big bang".
Big Bang
Proper noun
  1. The cosmic event that marks the beginning of time and the rapid expansion of space for the visible universe. The evolution of the universe since that beginning point is described by the Big Bang Theory.

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