mathematician(măth'ə-mə-tĭsh'ən) A person skilled or learned in mathematics. 例句He is a mathematician.他是一个数学家。He is no mathematician.他根本不是数学家。a mathematician specializing in geometry.专门研究几何学的数学家。a mathematician specializing in trigonometry.专门研究三角法的数学家。He is an English mathematician.他是个英国数学家。