a gaseous decomposition product of organic matter, consisting primarily of methane.
a hydrocarbon gas largely composed of methane formed when organic material decays in the absence of air
marsh gas n.
noun, Ornithology. 1. any of several large Old World gallinules varying from purple to white, all possibly belonging to the single species Porphyrio porphyrio.
noun 1. a tract of wet, spongy land, often having a growth of certain types of trees and other vegetation, but unfit for cultivation. verb (used with object) 2. to flood or drench with water or the like. 3. Nautical. to sink or fill (a boat) with water. 4. to plunge or cause to sink […]
noun 1. land or an area covered with swamps. noun 1. a permanently waterlogged area; marshland
noun 1. water locust.