pyrozonen.
/ˈpʌɪrə(ʊ)zəʊn/, U.S. /ˈpaɪrəˌzoʊn/ Pharmacology (now disused).
Hydrogen peroxide in aqueous solution, used as a caustic or antiseptic.
ΚΠ
1894 P. A. Morrow Syst. Genito-urinary Dis. III. i. 336 For this purpose I would recommend the use of caustic pyrozone of twenty-five per cent strength.
1902 Lancet 16 Aug. 454/1 The sponge..was syringed every day with a solution consisting of one part pyrozone (a solution of peroxide of hydrogen), one part saturated solution of boric acid, and two parts sterilised warm water.
1920 E. H. Long Dental Materia Medica 116 Kirk states that ‘more rapid and permanent effects are produced when the pyrozone solution is rendered alkaline’.
1945 Amer. Jrnl. Orthodontics & Oral Surg. 31 302 I wash out the pus and other material contained in the pocket with pyrozone.
This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.1894