ar‧ter‧i‧o‧scle‧ro‧sis /ɑːˌtɪəriəʊskləˈrəʊsəs, ɑːˌtɪəriəʊsklɪˈrəʊsəs, $ ɑːrˌtɪrioʊskləˈroʊ-/ noun [uncountable]
a disease in which your arteries become hard, which makes it difficult for the blood to flow through

[TahlilGaran] Dictionary of Contemporary English ▲