### Question
How is the "special nuclear material" defined?


### Answer
The term **special nuclear material** is defined in *50 U.S.C. § 47f* as follows -

> plutonium, or uranium enriched in the isotope 233 or in the isotope 235, or any other material which is found to be special nuclear material pursuant to the provisions of the Atomic Energy Act of 1954 [42 U.S.C. 2011 et seq.]

#### Citation:
  - *50 U.S.C. § 47f*
  - Heading: **CHAPTER 4C-ATOMIC WEAPONS AND SPECIAL NUCLEAR MATERIALS INFORMATION REWARDS**

