- ferrous
[ferrous 词源字典]
- ferrous: see farrier
[ferrous etymology, ferrous origin, 英语词源] - ferrous (adj.)
- "pertaining to or containing iron," 1865, from Latin ferreus "made of iron," from ferrum "iron" (see ferro-). In chemistry, "containing iron," especially with a valence of two. Contrasted with ferric.