melanoma
/ˌmeləˈnəʊmə/noun
- Medicine a tumour of melanin-forming cells, typically a malignant tumour associated with skin cancer【医】黑（色）素瘤：
melanomas can appear anywhere on the body
黑素瘤可以发生在身体表面任何部位
mass noun the incidence of melanoma is rising steadily.黑素瘤的发病率正逐步增高。
词源
mid 19th cent.: from Greek melas, melan- 'black' + -OMA.