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: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: setscrew: a screw (often without a head) that fits into the boss or hub of a wheel or cam etc. and prevents motion of the part relative to the shaft on which it is mounted
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: cordierite: a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: morchella semilibera: a morel with the ridged and pitted fertile portion attached to the stipe for about half its length
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: instep: the part of a shoe or stocking that covers the arch of the foot
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: all clear: permission to proceed because obstacles have been removed
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: psephurus: a genus of Polyodontidae
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: consideration: a discussion of a topic (as in a meeting)
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: ground rent: payment for the right to occupy and improve a piece of land
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: headpin: the front bowling pin in the triangular arrangement of ten pins
Broader: dioxide: an oxide containing two atoms of oxygen in the molecule | Unrelated: oration: an instance of oratory