Underground Railroad Underground Railway | secret aid to escaping slaves that was provided by abolitionists in the years before the American Civil War |
mine disposal | the disposal of explosive mines |
treadmill salt mine | a job involving drudgery and confinement |
survey study | a detailed critical inspection |
view survey sight | the act of looking or seeing or observing, he tried to get a better view of it, his survey of the battlefield was limited |
scouting exploratory survey reconnoitering reconnoitring | exploring in order to gain information, scouting in enemy territory is very dangerous |
measurement measuring measure mensuration | the act or process of assigning numbers to phenomena according to a rule, the measurements were carefully done, his mental measurings proved remarkably accurate |
measuring worm inchworm looper | small hairless caterpillar having legs on only its front and rear segments, mostly larvae of moths of the family Geometridae |
claymore mine claymore | an antipersonnel land mine whose blast is aimed at the oncoming enemy |
coal mine coalpit | a mine where coal is dug from the ground |
copper mine | a mine where copper is dug from the ground |
floating mine marine mine | an explosive mine designed to destroy ships that bump into it |
goldmine gold mine | a mine where gold ore is found |
goldmine gold mine | a good source of something that is desired |
land mine ground-emplaced mine booby trap | an explosive mine hidden underground, explodes when stepped on or driven over |
magnetic mine | (nautical) a marine mine that is detonated by a mechanism that responds to magnetic material (as the steel hull of a ship) |
measuring cup | graduated cup used to measure liquid or granular ingredients |
measuring instrument measuring system measuring device | instrument that shows the extent or amount or quantity or degree of something |
measuring stick measure measuring rod | measuring instrument having a sequence of marks at regular intervals, used as a reference in making measurements |
metro tube underground subway system subway | an electric railway operating below the surface of the ground (usually in a city), in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground' |
mine | explosive device that explodes on contact, designed to destroy vehicles or ships or to kill or maim personnel |
mine | excavation in the earth from which ores and minerals are extracted |
mine detector | detector consisting of an electromagnetic device, used to locate explosive mines |
salt mine | a mine where salt is dug |
silver mine | a mine where silver ore is dug |
strip mine | an open mine (usually for coal) where the seams run close to the surface |
sulphur mine sulfur mine | a mine where sulphur is dug from the ground |
time-delay measuring instrument time-delay measuring system | chronoscope for measuring the time difference between two events |
samizdat underground press | a system of clandestine printing and distribution of dissident or banned literature |
sketch survey resume | short descriptive summary (of events) |
Ordnance Survey | the official cartography agency of the British government |
United Mine Workers of America United Mine Workers | an industrial union of mine workers in North America |
underground resistance | a secret group organized to overthrow a government or occupation force |
mine field | a tract of land containing explosive mines |
measuring unit measuring block | a unit of measurement |
survey mile | a U.S. unit of measure equal to . meters, derived from the use of . inches as the conversion for one meter |
mine pig | pig iron made entirely from ore |
survey appraise | consider in a comprehensive way, He appraised the situation carefully before acting |
survey | plot a map of (land) |
survey | make a survey of, for statistical purposes |
review go over survey | hold a review (of troops) |
mine | lay mines, The Vietnamese mined Cambodia |
mine | get from the earth by excavation, mine ores and metals |
strip mine surface mine surface-mine | extract (ore) from a strip-mine |
survey | look over carefully or inspect, He surveyed his new classmates |
surveil follow d survey d | keep under surveillance, The police had been following him for weeks but they could not prove his involvement in the bombing |
run-of-the-mill run-of-the-mine mine run unexceptional | not special in any way, run-of-the-mill boxing, your run-of-the-mine college graduate, a unexceptional an incident as can be found in a lawyer's career |
clandestine cloak-and-dagger hole-and-corner(a) hugger-mugger hush-hush secret surreptitious undercover underground | conducted with or marked by hidden aims or methods, clandestine intelligence operations, cloak-and-dagger activities behind enemy lines, hole-and-corner intrigue, secret missions, a secret agent, secret sales of arms, surreptitious mobilization of troops, an undercover investigation, underground resistance |
belowground underground | under the level of the ground, belowground storage areas, underground caverns |
underground | beneath the surface of the earth, water flowing underground |