noun[ U ]medicalspecializeduk/ˌæθ.ə.rəʊ.skləˈrəʊ.sɪs/us/ˌæθ.ə.roʊ.skləˈroʊ.sɪs/
动脉粥样硬化(症)
a form of arteriosclerosis(= hardening of the arteries, the thick tubes carrying blood from the heart) that is caused by a fatty substance building up inside the arteries