positivism/ˈpɔzɪtɪvɪzəm; `pɑzətɪvˌɪzəm/ n[U]system of philosophy based on things that can be seen or proved rather than on speculation 实证主义, 实证论（一种哲学体系, 以可眼见或证明之事物为基础, 忽视理性的作用）.
牛津英汉双解词典