Term: marsh gas: methane gas produced when vegetation decomposes in water
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: combination: a collection of things that have been combined; an assemblage of separate parts or qualities
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: pomology: the branch of botany that studies and cultivates fruits
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: ski cap: a close-fitting woolen cap; often has a tapering tail with a tassel
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: cherub: a sweet innocent baby
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: deuteranopia: dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: assembly: a group of persons who are gathered together for a common purpose
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: variously-leaved pondweed: of Europe (except the Mediterranean area) and the northern United States
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: quadrant: any of the four areas into which a plane is divided by two orthogonal coordinate axes
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: poison: any substance that causes injury or illness or death of a living organism
Broader: compound: (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight | Unrelated: common winterberry holly: a holly shrub