contagium

noun con·ta·gium \kən-ˈtā-j(ē-)əm\

plural con·ta·gia\-j(ē-)ə\

Definition of CONTAGIUM

: an agent capable of causing a communicable disease

Latin, contagion, from contingere

First Known Use: 1870

Medical Dictionary

noun con·ta·gium \kən-ˈtā-j(ē-)əm\

plural con·ta·gia \-j(ē-)ə\

: a virus or living organism capable of causing a communicable disease

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