Definition of per- in English Dictionary

• 字首 (Prefix)PREper-+-
  1. (non-productive) In verbs: denoting the sense "through", as in perforate.
  2. (non-productive) In verbs: denoting the sense "thoroughly", as in perfect.
  3. (non-productive) In verbs: denoting the sense "to destruction", as in pervert.
  4. (non-productive) In adjectives and adverbs: denoting the sense "extremely", as in perfervid.
  5. (chemistry) Forming nouns and adjectives denoting the maximum proportion of one element in a compound, as in peroxide.
  6. (chemistry) Added to the name of an element in a polyatomic ion denote the number of that element (usually four).
  7. (non-productive) Denoting the sense "by" or "per", as in perchance or perhaps.

• 词类阶层 (Part-of-Speech Hierarchy)
  1. 語素
     • 字首

Other Vocabulary

形似词 (Look-Alike Words)

1. en per
2. en pert
3. en pere
4. en pers
5. fr pers