Meaning of CURVILINEAR in English

CURVILINEAR

cur ‧ vi ‧ lin ‧ e ‧ ar /ˌkɜːvɪˈlɪniə $ ˌkɜːrvəˈlɪniər/ BrE AmE adjective formal

having curved lines or a curved shape:

curvilinear patterns

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.