paraformn.
/ˈparəfɔːm/, U.S. /ˈpɛrəˌfɔrm/ Paraformaldehyde, esp. as a commercial product.
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paraformaldehyde1894
paraform1897
1897 Public Health 10 61/2 Dr. Kenwood obtained sterilization of exposed diphtheria swabs with the paraform lamp.
1903 S. Rideal Disinfection & Preservation Food xi. 308 Para-formaldehyde..is used, compressed into tabloids, under the name of ‘paraform’ by the Formalin Hygiene Company in their Alformant or ‘Schering’ lamp.
1932 I. D. Garard Introd. Org. Chem. vi. 79 Paraformaldehyde is made into candles and sold for fumigating purposes under the name of paraform. The heat of the burning candle converts the paraform into formaldehyde.
1947 J. H. Collins in P. I. Smith Pract. Plastics vii. 85/1 If a slightly acid solution of formalin is evaporated, a white powder (CH2O)n named paraform is obtained.
2000 Spectrochimica Acta A. 56 2518/2 Formaldehyde was prepared by thermal decomposition of paraform.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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