rectification

nouns

(chemistry) the process of refinement or purification of a substance by distillation
is derived from
domain category
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
is a type of (narrower)
the process of removing impurities (as from oil or metals or sugar etc.)
the conversion of alternating current to direct current
is derived from
is a type of (narrower)
an event that results in a transformation
the act of offering an improvement to replace a mistake; setting right
is derived from
is derived from
is derived from
determination of the length of a curve; finding a straight line equal in length to a given curve
is derived from
is a type of (narrower)
the act of determining the properties of something, usually by research or calculation
"the determination of molecular structures"