Mineral keystone Synonyms

Definitions for Mineral


  • (noun) solid homogeneous inorganic substances occurring in nature having a definite chemical composition
  • (adjective) relating to minerals
  • (adjective) composed of matter other than plant or animal

MK abbreviation

MK is an abbreviation for Mineral Keystone
What does MK stand for?
MK stands for "Mineral Keystone"

Definitions for Keystone


  • (noun) an immaterial thing upon which something else rests
  • (noun) the central building block at the top of an arch or vault
  • (noun) a central cohesive source of support and stability