RECTIFICATION

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 Dictionary entry overview: What does rectification mean? 

• RECTIFICATION (noun)
  The noun RECTIFICATION has 4 senses:

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

  Familiarity information: RECTIFICATION used as a noun is uncommon.

 Dictionary entry details 

• RECTIFICATION (noun)

Sense 1

Meaning:

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

Classified under:

Nouns denoting natural processes

Hypernyms ("rectification" is a kind of...):

purification; refinement; refining (the process of removing impurities (as from oil or metals or sugar etc.))

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)

Derivation:

rectify (reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities)

Sense 2

Meaning:

The conversion of alternating current to direct current

Classified under:

Nouns denoting natural events

Hypernyms ("rectification" is a kind of...):

changeover; conversion; transition (an event that results in a transformation)

Derivation:

rectify (convert into direct current)

Sense 3

Meaning:

The act of offering an improvement to replace a mistake; setting right

Classified under:

Nouns denoting acts or actions

Synonyms:

correction; rectification

Hypernyms ("rectification" is a kind of...):

improvement (the act of improving something)

Hyponyms (each of the following is a kind of "rectification"):

redress; remediation; remedy (act of correcting an error or a fault or an evil)

retribution (the act of correcting for your wrongdoing)

compensation; recompense (the act of compensating for service or loss or injury)

amendment (the act of amending or correcting)

emendation (a correction by emending; a correction resulting from critical editing)

Derivation:

rectify (make right or correct)

rectify (set straight or right)

rectify (bring, lead, or force to abandon a wrong or evil course of life, conduct, and adopt a right one)

Sense 4

Meaning:

Determination of the length of a curve; finding a straight line equal in length to a given curve

Classified under:

Nouns denoting acts or actions

Hypernyms ("rectification" is a kind of...):

determination; finding (the act of determining the properties of something, usually by research or calculation)

Derivation:

rectify (math: determine the length of)

 Context examples 

This process, called rectification, generates net DC electrical current.

(Harvesting Electrical Power from Waste Heat, The Titi Tudorancea Bulletin)