atomic pile

• مصطلح قديم يُطلق على المفاعل النووي، وهو جهاز يبدأ التفاعل النووي المتسلسل المستقر ويتحكم فيه. كان المصطلح شائعًا في منتصف القرن العشرين ثم استُبدل بمصطلح «المفاعل النووي».

An early term for a nuclear reactor, referring to a device that initiates and controls a sustained nuclear chain reaction. The term was commonly used in the mid-20th century but has since been replaced by 'nuclear reactor'.

1. Early nuclear reactorC1formal

   An early type of nuclear reactor, consisting of a pile of graphite blocks and uranium, used to produce a controlled nuclear chain reaction.

   مفاعل نووي بدائي

   • The first atomic pile was built under the stands of a football stadium.
   • Enrico Fermi's atomic pile achieved the first self-sustaining nuclear chain reaction.
   • The atomic pile was a crucial step in the development of nuclear energy.