Dope

Name:
Dope
Detailed information:
(1) Sizing formulation consisting of solutions of nitrocellulose, cellulose acetate, or other cellulose derivations applied to crepe yard to set the twist and assist creping, and to leather to form a high-gloss finish. (2) A combustible, such as wood pulp, starch, sulfur, etc., used in “straight” dynamites. (3) A trace impurity introduced into ultrapure crystals to obtain desired physical properties, especially electrical properties. Examples: erbium oxide doped with thulium for use as laser crystals; germanium or silicon doped with boron or arsenic for use as semiconductors.