math ‧ e ‧ ma ‧ ti ‧ cian /ˌmæθəməˈtɪʃ ə n, ˌmæθɪməˈtɪʃ ə n/ BrE AmE noun [countable]
someone who studies or teaches mathematics, or is a specialist in mathematics
math ‧ e ‧ ma ‧ ti ‧ cian /ˌmæθəməˈtɪʃ ə n, ˌmæθɪməˈtɪʃ ə n/ BrE AmE noun [countable]
someone who studies or teaches mathematics, or is a specialist in mathematics
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012