Underground mine Synonyms

Underground replaced

experimental mine

Definitions for Underground

(adjective) undertaken or done so as to escape being observed or known by others
(adjective) being, situated, or operating beneath the surface of the earth
(noun) a secret organization in a conquered country fighting against enemy forces

UM abbreviation

UM is an abbreviation for Underground Mine

What does UM stand for?

UM stands for "Underground Mine"

Mine replaced

underground tunnel

underground reservoir

underground source

underground drill

underground supply

underground shaft

underground store

underground quarry

underground well

underground vein

underground bomb

underground excavation

underground burrow

underground hoard

underground deposit

Definitions for Mine

(noun) an abundant source
(noun) a usually concealed explosive device designed to go off when disturbed
(verb) to place hidden explosive devices in or under