No the word introductory is not a noun. It is an adjective.
an introductory element is something when you put a comma
There are 4 syllables in the word introductory.
kinds of introductory paragraph
3. The Santa Claus, The Santa Claus 2, and The Santa Claus 3: The Escape Claus
Mrs Claus' Storyshe married mr Claus
Karen was santa Claus wife in santa Claus
The introductory piece of music for a long composition is usually called the "overture."
Carlfriedrich Claus has written: 'Carlfriedrich Claus'
The introductory sentence is usually the open sentence of the paragraph. This sentence is what captures the reader's interest and leads him into the topic of the paragraph. The introductory sentence is usually followed by the topic sentence.
An introductory word of an adjective clause is a word that introduces the clause and provides context for the noun it is modifying. Common introductory words include who, which, that, whose, whom, where, and when.
Claus Strobel's birth name is Claus Strobel.