Introductory is a related term of supplementary.
As adjectives the difference between introductory and supplementary
is that introductory is introducing; giving a preview or idea of while supplementary is additional; added to supply what is wanted.
introductory
English
Adjective
(-)
introducing; giving a preview or idea of
Synonyms
* prefatory
supplementary
English
Adjective
(
en adjective)
Additional; added to supply what is wanted.
Related terms
* presupplementary
References
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