Mining/metallurgical terms that could use defining.

* Aerobic decay
* Anbauhobel
* Assigned reserves
* backfill
* Bearing plate
* Black damp
* Blantye Mine Disaster
* Blast-furnace process
* Blast hole cone bit drill rig
* Boghead coal
* Bolt torque
* Bridge carrier
* Bucket-wheel reclaimer
* Bug dust
* Calorific value
* Cap block
* Captive Mine
* Car-dump
* Chain conveyor
* Coal ball
* Coal gasification
* Coil tilter
* Coil banding machine
* Column flotation
* Competent rock
* Continuous casting machine
* Conventional mining
* Crawler dozer
* Crawler-mounted mining shovel
* Crucible-ladle tilter
* Cycle mining
* Development mining
* double-roll toothed crusher
* Draw slate
* Drift mine
* Drill Rig
* Eccentric mould oscillator
* Face cleat
* Fire damp
* Float dust
* Grassberg mine
* Gytta
* Hard coal
* Head section
* Honkeiko Colliery Mine Disaster
* Hot-metal ladle car
* Hydraulic descaler
* Inby
* Jackleg
* Jackrock
* Kettle bottom
* Laurentian Divide
* Loading machine
* Metallurgical coal
* Monongah Mine Disaster
* Non-slagging coal
* Open end pillaring
* Open stope mining
* Overhead traveling crane
* Panic bar
* Preparation plant
* Retreat mining
* Return idler
* Room and pillar mining
* Run-of-mine coal