rectification

英 [,rektɪfɪ'keɪʃən] 美[,rɛktəfə'keʃən]

• n. 改正，矫正；[化工] 精馏；[电] 整流；[数] 求长

1. (chemistry) the process of refinement or purification of a substance by distillation

2. the conversion of alternating current to direct current

3. the act of offering an improvement to replace a mistake; setting right

4. determination of the length of a curve; finding a straight line equal in length to a given curve