angiosarcoma an·gi·o·sar·co·ma (ān'jē-ō-sär-kō'mə)
A rare malignant tumor occurring most often in the breast and skin and believed to originate from the endothelial cells of blood vessels.
|the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).|
|(used as a nonsense word by children to express approval or to represent the longest word in English.)|