arteriosclerosis
🇺🇸
/ɑːrˌtɪriəʊskləˈrəʊsɪs/
🇬🇧
/ɑːˌtɪəriəʊskləˈrəʊsɪs/
The hardening and thickening of the arteries, which can restrict blood flow.
My grandfather was diagnosed with arteriosclerosis, which affects many elderly people.