### Question
How does the law define atomic weapon?


### Answer
Under *50 U.S.C. § 47f*, **atomic weapon** is defined as:

> any device utilizing atomic energy, exclusive of the means for transporting or propelling the device (where such means is a separable and divisible part of the device), the principal purpose of which is for use as, or for development of, a weapon, a weapon prototype, or a weapon test device

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

