Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
noise, such as that from traffic, that upsets people where they live or work and is considered to be unhealthy for them:
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
