- grinding compound
- grinding fluid
- grit
- grog
- gross loss
- gravity balance
- gravity drainage
- gravity gradient
- gravity meter
- gravity separation
- gravity survey
- gravity tank
- grease consistency
- grease material
- grease resistance
- greasy lustre
- green coal
- green ocher
- green oil
- green strength
- green tyre
- greenheart
- grinding drum
- grinding paste
- grinding powder
- grinding ring
- gripper
- grips
- gritter
- gross royalty
- ground avalanche
- ground clamp
- ground joint
- ground plaster
- ground rent
- Grove cell
- growth
- grub
- guessing stick
- guide
- guide line
- guide mineral
- guitermanite
- gum arabic
- gum content
- gushing well
- gusset plate
- gutta-percha
- gypsum binder
- gyrolite
- gyrostatic
- grid system
- grinding oil
- grit-free
- gritter spreader
- Gross profit
- gross rubber
- ground mass
- ground swell
- grounded
- group agglutination
- grout
- grouting agent
- grouting machine
- guano
- guard plate
- guarea
- gudgeon oil
- guest element
- guidance
- guide card
- guildite
- gulf coast
- gum
- gum deposit
- gum inhibitor
- gumming
- gummy bottoms
- gun burner
- gun oil
- gun perforator
- gunbarrel
- gush
- gymnite
- habit plane
- hadronic atom
- hair crack
- half-time
- halogenation
- haloid
- hammer hardening
- hammer oil
- hand burnishing
- hand drilling
- hand loading
- hand pit
- hand sorting
- group insurance
- growth pattern
- growth twin