### Question
How is the term mercuric-oxide battery defined?


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

> 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**

