noun \pī-ˈräk-sə-lən, pə-\

Definition of PYROXYLIN

: a flammable mixture of cellulose nitrates usually with less than 12.5 percent nitrogen that is less explosive than guncotton, soluble in a mixture of ether and alcohol or other organic solvents, and used especially in making plastics and coatings (as lacquers)—see collodion

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