verb (used with object), a·mal·ga·mat·ed, a·mal·ga·mat·ing.
- to mix or merge so as to make a combination; blend; unite; combine: to amalgamate two companies.
- Metallurgy. to mix or alloy (a metal) with mercury.
verb (used without object), a·mal·ga·mat·ed, a·mal·ga·mat·ing.
- to combine, unite, merge, or coalesce: The three schools decided to amalgamate.
- to blend with another metal, as mercury.
- to combine or cause to combine; unite
- to alloy (a metal) with mercury
1650s, back-formation from amalgamation, or from adjective amalgamate (1640s) from amalgam. Originally in metallurgy; figurative sense of “to unite” (races, etc.) is attested from 1802. Related: Amalgamated; amalgamating. Earlier verb was amalgamen (1540s).