Term: sulfur dioxide: a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: cochimi: a member of a North American Indian people living in central Baja California
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: plumb level: a carpenter's level with a plumb line at right angles to it
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: hop hornbeam: any of several trees resembling hornbeams with fruiting clusters resembling hops
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: crown: the part of a hat (the vertex) that covers the crown of the head
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: rice rat: hardy agile rat of grassy marshes of Mexico and the southeastern United States
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: ticket line: a queue of people waiting to buy tickets
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: treadmill: a mill that is powered by men or animals walking on a circular belt or climbing steps
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: deciduous holly: a holly tree
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: gamete: a mature sexual reproductive cell having a single set of unpaired chromosomes
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: spread eagle: a skating figure executed with the skates heel to heel in a straight line