improvement vs rectification

rectification vs improvement

improvement and rectification both are nouns.

Word	Noun	Adjective	Verb	Adverb
improvement	Yes	No	No	No
rectification	Yes	No	No	No

As nouns, rectification is a hyponym of improvement; that is, rectification is a word with a more specific, narrower meaning than improvement:

improvement: the act of improving something
rectification: the act of offering an improvement to replace a mistake; setting right

Other hyponyms of improvement include tenderisation, tenderization, development, cleaning, cleansing, cleanup, correction, optimisation, optimization, perfection, reform, amelioration, betterment, melioration, self-improvement, self-reformation, clarification, clearing, enrichment, humanisation, humanization, modernisation, modernization, overhaul, redevelopment, renovation, enhancement, sweetening, upturn, airing, ventilation, fix, fixing, fixture, mend, mending, repair, reparation, stabilisation, stabilization, upgrade, turd polishing, business process reengineering.

improvement (noun)	rectification (noun)
the act of improving something	the act of offering an improvement to replace a mistake; setting right
a change for the better; progress in development	determination of the length of a curve; finding a straight line equal in length to a given curve
a condition superior to an earlier condition	the conversion of alternating current to direct current
	(chemistry) the process of refinement or purification of a substance by distillation

Difference between improvement and rectification

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