### Question
Can you define what mercuric-oxide battery means?


### Answer
**Mercuric-oxide battery** is defined as the following in *42 U.S.C. § 14302*:

> a battery that uses a mercuric-oxide electrode

#### Citation:
  - *42 U.S.C. § 14302*
  - Heading: **CHAPTER 137-MANAGEMENT OF RECHARGEABLE BATTERIES AND BATTERIES CONTAINING MERCURY > SUBCHAPTER I-GENERALLY**

