In general, amalgamation is the process of combining or uniting entities into one form.
Amalgamate and its derivatives may refer to:
- Amalgamation (mining) or patio process, the process of separating precious metals from ore
- Amalgamation combines mercury and another element to create amalgam, used in dentistry, chemistry, and mining
- Amalgamation (business), the merge or consolidation of companies
- Amalgamation, another name for a trade union, chiefly used in the United Kingdom
- Amalgamation (politics), in geopolitics, refers to the joining of two or more administrative units
- Amalgamation (names), the strategy of naming something after a combination of existing names
- Amalgamation (fiction), the concept of creating an element in a work of fiction by combining existing things
- Amalgamation (history), a now largely archaic term for the interbreeding of people of different ethnicities and "races"
- Amalgamation (military unit), the consolidation of military units, usually traditional regiments, into a new unit carrying the lineage, history, traditions, and identity of both
- Amalgamation, an EP released by the band Pop Will Eat Itself in 1994
- Free product with amalgamation, in mathematics, especially group theory, an important construction
- Amalgamated (1917 automobile), car manufactured by the Amalgamated Machinery Corp.
- Amalgamated Broadcasting System, a short-lived American radio network during the 1930s
- Conflation, also known as "idiom amalgamation", the combination of two expressions
