Fulminating mercury refers to a unstable and explosive compound of mercury. It is a highly hazardous and reactive material that is commonly used in small amounts for laboratory purposes, especially in analytical chemistry. Synonyms for fulminating mercury include mercury fulminate, mercury(II) fulminate, and mercuric fulminate. Other possible terms that could be used interchangeably with this substance are "mercury detonator," "mercury explosive," or "mercury fulminate detonator." Due to its unstable nature, thorough safety precautions must be taken when working with this compound, including proper storage, handling, and disposal procedures.