n.[U][C]

1. 乳胶；乳状液
2. 感光乳剂

n.

1. a fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible.
   ▸a fine dispersion of one liquid or puréed food substance in another:

   ravioli with pea and ginger emulsion.
2. (also emulsion paint) a type of paint consisting of pigment bound in a synthetic resin which forms an emulsion with water.
3. a light-sensitive coating for photographic films and plates, containing crystals of a silver compound dispersed in a medium such as gelatin.