SO2

SO2 or SO2 may refer to:

Science Sulfur dioxide (SO2), a colorless gas with a pungent smell Sulfonyl group (R-SO2-R), a functional group found primarily in sulfones, or a substituent SO(2), special orthogonal group of degree 2 in mathematics Oxygen saturation (SO2), the concentration of oxygen dissolved in a medium S2 (star) or S0–2, a star near the central black hole at the center of the Milky Way 2015 SO2 or 2015 SO2, an Aten asteroid

Military and police SO2, a staff officer of the second class, often a commissioned officer of lieutenant commander, major or squadron leader rank SO2, a London Metropolitan Police Specialist Operations command division Special Operations 2 – Operational, of the British, World War II Special Operations Executive

Other uses

SO2 (album), a 2010 album by Shinichi Osawa

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