/ˌpɒlɪˈəʊlᵻfiːn/, /ˌpɒlɪˈəʊlᵻfᵻn/, U.S. /ˌpɑliˈoʊləf(ə)n/. polyolefinn.
/ˌpɒlɪˈəʊlᵻfᵻn/, U.S. /ˌpɑliˈoʊləf(ə)n//ˌpɒlɪˈəʊlᵻfiːn/, /ˌpɒlɪˈəʊlᵻfᵻn/, U.S. /ˌpɑliˈoʊləf(ə)n/. Chemistry.
1. A polymer of an olefin, esp. a synthetic resin of this type.
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the world > matter > chemistry > polymer chemistry > resins and plastics > [noun] > others
Parkesine1862
succinite1868
linoxyn1876
polyanhydride1900
polyether1922
casein plastic1925
alkyd resin1928
polyolefin1930
acrylate1934
polymethyl acrylate1936
polyurethane1939
polytetrafluoroethylene1946
society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > synthetic resin > specific synthetic resins
coumarone resin1900
novolak1909
glyptal1915
marblette1927
Vinylite1929
polyolefin1930
polysulphone1934
urea resin1937
melamine resin1939
polyurethane1939
polyvinylidene chloride1940
polyvinyl butyral1941
polyimide1945
Teflon1945
Araldite1946
polytetrafluoroethylene1946
epoxy resin1950
urethane1956
Maraglas1962
tartan1964
alkyd1984
1930 Industr. & Engin. Chem. June 591/1 Polymerization (A polymers). Examples: Olefins and poly-olefins, unsaturated hydrocarbons, azo-compounds.
1962 B.S.I. News Dec. 19/2 The viscosity number of polyolefines.
1995 Muse (Canad. Museums Assoc.) Summer 50/1 (advt.) Quilted unbleached cotton muslin with polyolefin backing available by the yard (used for padded covers).
2. = polyene n. rare.
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the world > matter > chemistry > organic chemistry > [noun] > organic structure > polyene
polyene1928
polyethenoid1935
polyolefin1936
1936 Trans. Faraday Soc. 32 5 Dimerisation is observed with the olefines and it is possible that the polyolefines may be built up in this way.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1930