I. verb 1. combine or unite to form one organization or structure[with obj.] • he amalgamated his company with another
• [no obj.]
numerous small British railway companies amalgamated.
2. [with obj.] —
[Chemistry] alloy (a metal) with mercury.(as adj. amalgamated)
• amalgamated zinc.
– origin early 17th cent.: from medieval Latin amalgamat- ‘formed into a soft mass’, from the verb amalgamare, from amalgama (see amalgam).