1
[ noun ] determination of the length of a curve; finding a straight line equal in length to a given curve

Related terms

determination rectify

2
[ noun ] the conversion of alternating current to direct current

Related terms

conversion rectify

3
[ noun ] (chemistry) the process of refinement or purification of a substance by distillation

Related terms

refining chemistry

4
[ noun ] the act of offering an improvement to replace a mistake; setting right
*