Major keystone Synonyms

Major replaced

important keystone

central keystone

Definitions for Major

(adjective) sufficiently large in size, amount, or number to merit attention
(adjective) having great meaning or lasting effect
(adjective) greater in scope or effect

MK abbreviation

MK is an abbreviation for Major Keystone

What does MK stand for?

MK stands for "Major Keystone"

Keystone replaced

major support

major principle

major cornerstone

major backbone

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