rock dusting
/ˈrɒk ˌdʌstɪŋ/North American Mining
noun
The spreading of pulverized rock in a coal mine in order to reduce the risk of coal-dust explosions.
Origin
Early 20th century. From rock dust + -ing. Compare slightly later rock dust.
- reverentialness
- reverently
- reverentness
- Revere, Paul
- reverer
- reverie
- reverification
- reverify
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- reverist
- reverize
- revers
- reversable
- reversal
- reversal film
- reversal potential
- reversal process
- reversal-processed
- reversal processing
- reversal speed
- reverse
- reverse angle
- reverse-angle shot
- reverse anorexia
- reverse applied