ozalid

Trademark.

1. a process for reproducing line drawings, manuscripts, and the like on a sensitized paper developed by ammonia vapor.

noun

2. (sometimes lowercase) a reproduction made by this process.

adjective

3. (sometimes lowercase) of or relating to the Ozalid process.

noun

1. trademark a method of duplicating typematter, illustrations, etc, when printed on translucent paper. It is used for proofing
2. a reproduction produced by this method