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rectus
recumbent
recuperate
recuperator
recur
recurrent
recurrent fever
recurring decimal
recursion
recursive
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rectify

rec·ti·fy [ réktə f ] (past and past participle rec·ti·fied, present participle rec·ti·fy·ing, 3rd person present singular rec·ti·fies)


transitive verb 
Definition:
 
1. correct something: to put something right

2. electronics convert current: to convert alternating current to direct current

3. chemistry purify something: to purify a substance, especially by distillation

4. mathematics find length of curve: to find the length of a curve

[14th century. Directly or via French rectifier< medieval Latin rectificare "make right" < rectus "straight, right"]

rec·ti·fi·a·bil·i·ty [ rèktə fī ə bíllətee ] noun
rec·ti·fi·a·ble adjective
rec·ti·fi·ca·tion [ rèktəfi káysh'n ] noun
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