nor-

短语

[化] 降; 去甲; 正(指normal) [医] 正[链], 去甲, 降

释义与例句

affix
  1. 1.

    A compound derived from another by removal of a radical, especially by removal of methyl or methylene.

    化学

词源

Etymology tree Latin norma Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Latin nōrmālisder. English normal English nor- An abbreviation of normal.

来源：wiktionary