D defs.my
Entry 1 sense Webster, 1913

Alpha paper

· Al·pha pa·per · IPA
01 A sensitized paper for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride.
  1. 1.
    A sensitized paper for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride.(Photog.) [Eng.]