English noun: rectification |
1. | rectification (process) (chemistry) the process of refinement or purification of a substance by distillation |
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| Broader (hypernym) | purification, refinement, refining |
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| Domain category | chemical science, chemistry |
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2. | rectification (event) the conversion of alternating current to direct current |
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| Broader (hypernym) | changeover, conversion, transition |
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3. | rectification (act) the act of offering an improvement to replace a mistake; setting right |
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| Synonyms | correction |
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| Broader (hypernym) | improvement |
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| Narrower (hyponym) | amendment, compensation, emendation, recompense, redress, remediation, remedy, retribution |
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4. | rectification (act) determination of the length of a curve; finding a straight line equal in length to a given curve |
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| Broader (hypernym) | determination, finding |
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