A chemical compound is a combination of two or more elements that have been chemically bonded together. Synonyms for the term "chemical compound" include chemical substance, chemical mixture, and molecular compound. These synonyms all refer to the same basic concept of a substance that is made up of multiple elements. Other synonyms include chemical complex, chemical amalgam, and chemical composition. The use of synonyms for "chemical compound" can help make scientific writing more varied and engaging, and can be especially useful for communicating complex ideas to a non-scientific audience. Regardless of the specific synonym used, the concept of a chemical compound remains central to the understanding of chemistry and the natural world.