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Webster 1913 Edition

Adj.

[L.

itroductorius

: cf. F.

introductoire

Serving to introduce something else; leading to the main subject or business; preliminary; prefatory;

as,

introductory

proceedings; an

introductory

discourse.

Adj.

Serving to introduce something else; previous; prefatory; preliminary; as introductory remarks; an introductory discourse.

introductory ‎(not comparable)

introducing; giving a preview or idea of.
He enrolled in an introductory wine-making course.

introducing