[mass noun](Medicine)a condition characterized by dilatation of the capillaries causing them to appear as small red or purple clusters, often spidery in appearance, on the skin or the surface of an organ (医)毛细管扩张症
派生 telangiectatic adjective 语源
mid 19th cent.: modern Latin, from Greek telos 'end' + angeion 'vessel' + ektasis 'dilatation'