Noun

1. The middle layer of the wall of a blood vessel or lymph vessel which is composed of connective and muscular tissue.
2. A voiced stop consonant.
3. The materials used to finish a workpiece using a mass finishing or abrasive blasting process.

Noun

1. Formats for presenting information.

   Collage is a form of mixed-media artwork.

2. The journalists and other professionals who compose the mass communication industry.