A·mal·ga·mate v. t. [imp. & p. p. Amalgamated; p. pr. & vb. n. Amalgamating.]
1. To compound or mix, as quicksilver, with another metal; to unite, combine, or alloy with mercury.
2. To mix, so as to make a uniform compound; to unite or combine; as, to amalgamate two races; to amalgamate one race with another.
Ingratitude is indeed their four cardinal virtues compacted and amalgamated into one. --Burke.