rectification

• Nom féminin désignant l'action de corriger, d'ajuster ou de purifier quelque chose, y compris la purification chimique par distillation, la conversion du courant alternatif en courant continu, la correction d'erreurs ou la détermination mathématique de la longueur d'une courbe.

A noun referring to the act or process of correcting, refining, or setting something right, including chemical purification by distillation, conversion of alternating current to direct current, correction of errors, or mathematical determination of a curve's length.

1. Chemical purificationC1formalscientific

   The process of refining or purifying a substance, especially a liquid, through repeated distillation.

   Rectification (chimie)

   • The rectification of ethanol is essential for producing high-purity alcohol.
   • In the lab, rectification is used to separate different components of a mixture.
   • The rectification column improved the purity of the chemical compound.

   Synonymesdistillationfractionationpurificationrefining

   Antonymesadulterationcontaminationpollution

2. Electrical conversionC1formaltechnical

   The conversion of alternating current (AC) into direct current (DC).

   Redressement (électrique)

   • Rectification is a key process in power supply units.
   • The circuit performs rectification to provide stable DC voltage.
   • Modern chargers use rectification to convert household AC to battery DC.

3. Correction or improvementB2formal

   The act of correcting a mistake or making something right.

   Rectification (correction)

   • The rectification of errors in the report took several hours.
   • He offered a rectification for the misunderstanding.
   • The company issued a rectification of the faulty data.

   Synonymesadjustmentamendmentcorrectionfixingimprovementredressremediationremedyrepairrevision

   Antonymescorruptiondamageharmimpairmentworsening

4. Mathematical curve lengthC2formalscientific

   The determination of the length of a curve by finding a straight line equal in length to it.

   Rectification d'une courbe

   • Rectification of a curve is a fundamental problem in calculus.
   • The mathematician worked on the rectification of the parabola.
   • Rectification allows us to measure the length of complex curves.