2-methoxyestradiolListen to pronunciation(2-meh-THOK-see-es-truh-DY-ol)2ME2. A drug that prevents the formation of new blood vessels that tumors need in order to grow. It is derived from estrogen and belongs to the family of drugs called angiogenesis inhibitors.Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#