動詞 rectify:

1. math: determine the length of
   同義詞：rectify
2. reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities
   同義詞：refine, rectify
3. bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one
   同義詞：reform, reclaim, regenerate, rectify
4. set straight or right
   同義詞：rectify, remediate, remedy, repair, amend
5. make right or correct
   同義詞：correct, rectify, right
6. convert into direct current
   同義詞：rectify