Progressive clue challenge

How quickly can you identify the hidden word?

Begin with a broad grammatical clue. Reveal more only when needed. Fewer clues and fewer wrong guesses produce a higher score.

100
It is used as a noun.
It begins with “S” and contains 14 letters.
Definition: a resin having a polymeric structure; especially a resin in the raw state; used chiefly in plastics
It ends with “N”.
Clue 1 of 4 is visible.
Another word