An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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initial singularity
  تکینی ِ آغازین  
takini-ye âqâzin (#)
Fr.: singularité initiale  

An instant of infinite density, infinite pressure, and infinite temperature where the equations of general relativity break down, if the standard Big Bang theory is extrapolated all the way back to time zero.
→ singularity.

See also: → initial; → singularity.