underground

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underground:

see guerrilla warfareguerrilla warfare
[Span.,=little war], fighting by groups of irregular troops (guerrillas) within areas occupied by the enemy. When guerrillas obey the laws of conventional warfare they are entitled, if captured, to be treated as ordinary prisoners of war; however, they are
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.

What does it mean when you dream about being underground?

A dream of being underground may indicate that the dreamer has subconscious issues that have been kept under wraps. Going down under to retrieve them shows a readiness to bring them back up to the surface.

underground

[¦ən·dər¦grau̇nd]
(engineering)
Situated, done, or operating beneath the surface of the ground.

underground

Below grade or ground level, as underground drain lines or cables.

underground

1. 
a. a movement dedicated to overthrowing a government or occupation forces, as in the European countries occupied by the German army in World War II
b. (as modifier): an underground group
2. an electric passenger railway operated in underground tunnels
3. 
a. any avant-garde, experimental, or subversive movement in popular art, films, music, etc.
b. (as modifier): the underground press
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References in periodicals archive ?
Round designs on groundlevel are set off by the height of a summerhouse and a ropelagged arch' Before.
The EPA does not use the information for any enforcement action, unlike groundlevel ozone, which is monitored and enforced.
nothing at groundlevel was: tiny beings flashing around
VOC's combine in the atmosphere with other chemicals to form groundlevel ozone, which can cause breathing problems, reduced lung function, eye irritation, stuffy nose, and reduced resistance to colds and other infections.
Since 1970, lead emissions have dropped by ninety-eight percent; emmisions of fine soot, a cause of respiratory disease, have fallen seventy-nine percent; emissions of carbon monoxide, a killer poison, have declined twenty-eight percent; emissions of volatile organic compounds, a precursor of groundlevel ozone and smog, have fallen twenty-five percent; and emissions of sulfur dioxide, which leads to acid rain, have dropped forty-one percent.
The engines shake because, under the air pressure found at groundlevel, the gases don't expand enough to fill the nozzle.
Such mathematical models could specify the amount of ozone that stems from human activity, detail its global circulation, and help scientists predict the possible effects of groundlevel ozone on climate and agriculture, Logan notes.
According to Victor, The Gap plans to house Baby Gap, Gap Kids and its regular merchandise, in 8,500 square feet of groundlevel retail space and 7,500 square feet of lower-level retail space at 200 East 42nd Street.