Sound-proof door Synonyms

We can't find synonyms for the phrase "Sound-proof door", but we have synonyms for terms, you can combine them.

Sound-proof Synonyms

SD abbreviation

SD is an abbreviation for Sound-proof Door
What does SD stand for?
SD stands for "Sound-proof Door"

Definitions for Door


  • (noun) a barrier by which an entry is closed and opened
  • (noun) the opening through which one can enter or leave a structure
  • (noun) the means or right of entering or participating in