Muon radiative energy loss (in 1.0E06 cm^2/g) in polyoxymethylene [(CH%2#O)%n#] with Z/A = 0.53287 (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.2710 0.1186 0.4699 0.8596 5. 0.3675 0.2931 0.4972 1.1578 10. 0.4473 0.4431 0.4823 1.3728 20. 0.5315 0.6067 0.4601 1.5983 50. 0.6461 0.8367 0.4358 1.9187 100. 0.7317 0.9996 0.4240 2.1552 200. 0.8129 1.1497 0.4179 2.3805 500. 0.9090 1.3042 0.4170 2.6301 1000. 0.9706 1.3989 0.4238 2.7933 2000. 1.0218 1.4656 0.4351 2.9225 5000. 1.0730 1.5244 0.4563 3.0537 10000. 1.1002 1.5522 0.4778 3.1302 20000. 1.1193 1.5697 0.5031 3.1921 50000. 1.1359 1.5836 0.5426 3.2620 100000. 1.1435 1.5892 0.5765 3.3093