teratocarcinoma

noun

te·​rato·​car·​ci·​no·​ma ˌter-ə-tō-ˌkär-sə-ˈnō-mə 

: a malignant teratoma

especially : one involving germinal cells of the testis

Word History

Etymology

terato- + carcinoma

First Known Use

circa 1946, in the meaning defined above

Medical Definition

teratocarcinoma

noun

te·​rato·​car·​ci·​no·​ma ˌter-ət-ō-ˌkärs-ᵊn-ˈō-mə 

plural teratocarcinomas also teratocarcinomata -mət-ə 

: a malignant teratoma

especially : one involving germinal cells of the testis or ovary