noun🔗ShareColodiónA syrupy solution of pyroxylin in alcohol and ether that evaporates on a surface to form a clear elastic film; used in surgical dressings, photographic plates and lacquer paints."The old-fashioned photographer used collodion to coat the glass plates before taking a picture. "El fotógrafo anticuado usaba colodión para recubrir las placas de vidrio antes de tomar una fotografía.medicinematerialsubstancechemistrytechnicalscienceChat with AIVocabulary GamePractice Reading