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polyformaldehyde
polyformaldehyde n. 
/ˌpɒlɪfəˈmaldᵻhʌɪd/, /ˌpɑlifərˈmældəˌhaɪd/ = polyoxymethylene n.
Brit. /ˌpɒlɪfɔːˈmaldᵻhʌɪd/
, /ˌpɒlɪfɔːˈmaldᵻhʌɪd//ˌpɒlɪfəˈmaldᵻhʌɪd/U.S. /ˌpɑlifɔrˈmældəˌhaɪd/
, /ˌpɑlifɔrˈmældəˌhaɪd//ˌpɑlifərˈmældəˌhaɪd/ΘΚΠ
the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > thermoplastic resins > polyoxymethylene
polyoxymethylene1908
polyformal1935
polyformaldehyde1959
1959 Trans. Faraday Soc. 55 1484 The polarized spectra of oriented films of Delrin, a commercial polyformaldehyde resin have been investigated.
2001 Business Daily (Nexis) 13 Sept. Polyformaldehyde is a high technology product widely used in the production of automobiles, machinery, chemicals and instruments.
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