英文词源
- gradient (n.)
- "steep slope of a road or railroad," 1835, principally in American English, probably from grade (n.) by analogy of quotient, etc. [OED]. It was used 17c. as an adjective, of animals, "characterized by walking;" in that case it is probably from Latin gradientem, present participle of gradi "to walk."
中文词源
来自grade, 级别，层级。用于科学术语。
该词的英语词源请访问趣词词源英文版：gradient 词源，gradient 含义。
词根词缀： -grad-步,级 + -i- + -ent名词词尾
