Swamp-gas
noun
1.
marsh gas.
noun
1.
a gaseous decomposition product of organic matter, consisting primarily of methane.
noun
1.
a hydrocarbon gas largely composed of methane formed when organic material decays in the absence of air
marsh gas n.
See methane.
Read Also:
- Swamphen
noun, Ornithology. 1. any of several large Old World gallinules varying from purple to white, all possibly belonging to the single species Porphyrio porphyrio.
- Swamping
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 […]
- Swampland
noun 1. land or an area covered with swamps. noun 1. a permanently waterlogged area; marshland
- Swamp-locust
noun 1. water locust.
- Swamp-mallow
noun 1. a rose mallow, Hibiscus moscheutos.