rock dustern.

Brit.

/ˈrɒk ˌdʌstə/, U.S.

/ˈrɑk ˌdəstər/

Origin: Formed within English, by derivation. Etymons: rock dust v., -er suffix¹.

Etymology: < rock dust v. + -er suffix¹.

North American. Mining.

A machine which spreads pulverized rock around a coal mine in order to reduce the risk of coal-dust explosions; (also) a person who does this.

ΘΚΠ

society > occupation and work > equipment > mining equipment > [noun] > other mining equipment

dial1681

stick1708

motty1797

nail1839

spiking crib or curb1839

spile1841

bull1849

dag1863

ore bin1867

monitor1873

Billy Fairplay1876

snibble1883

brattice-cloth1885

breaker1885

steam point1895

picking belt1900

self-rescuer1924

rock duster1930

walking dragline1930

1930 U.S. Patent 1,781,509 1 (heading) Rock duster.

1931 Charleston (W. Va.) Daily Mail 27 July 3/6 [A miner] in Consolidation Coal company workings here, was killed yesterday when he was caught in a rock duster.

1986 V. S. Vutukuri & R. D. Lama Environmental Engin. in Mines ix. 280 Besides portable extinguishers, foam-generating machines, rock dusters and bags of rocks are stored at vital points.

1997 Charleston (W. Va.) Daily Mail (Nexis) 16 Oct. He worked as a shuttle car operator, a continuous mine operator and as a rock duster.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rock duster
释义	rock dustern. Brit. /ˈrɒk ˌdʌstə/, U.S. /ˈrɑk ˌdəstər/ Origin: Formed within English, by derivation. Etymons: rock dust v., -er suffix¹. Etymology: < rock dust v. + -er suffix¹. North American. Mining. A machine which spreads pulverized rock around a coal mine in order to reduce the risk of coal-dust explosions; (also) a person who does this. ΘΚΠ society > occupation and work > equipment > mining equipment > [noun] > other mining equipment dial1681 stick1708 motty1797 nail1839 spiking crib or curb1839 spile1841 bull1849 dag1863 ore bin1867 monitor1873 Billy Fairplay1876 snibble1883 brattice-cloth1885 breaker1885 steam point1895 picking belt1900 self-rescuer1924 rock duster1930 walking dragline1930 1930 U.S. Patent 1,781,509 1 (heading) Rock duster. 1931 Charleston (W. Va.) Daily Mail 27 July 3/6 [A miner] in Consolidation Coal company workings here, was killed yesterday when he was caught in a rock duster. 1986 V. S. Vutukuri & R. D. Lama Environmental Engin. in Mines ix. 280 Besides portable extinguishers, foam-generating machines, rock dusters and bags of rocks are stored at vital points. 1997 Charleston (W. Va.) Daily Mail (Nexis) 16 Oct. He worked as a shuttle car operator, a continuous mine operator and as a rock duster. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1930
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