d

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d symbol for day
• symbol for deci- (prefix indicating 0.1, as in dB, decibel)
• Biochem., symbol for deoxyribonucleoside (preceding the nucleoside symbol, as in dT, thymidine)
• Physics, symbol for deuteron
• (ital.) Chem. dextrorotatory (as in d-tartaric acid)
• (ital.) symbol for diameter
• Music doh (in tonic sol-fa)
• Physics down (a quark flavour)
• (ital.) symbol for relative density
• (ital.) symbol for thickness
• Maths., indicating a small increment in a given variable or function (as in dy/dx)
• Physics, Chem., indicating the electron state l=2, where l is the orbital angular momentum quantum number
• indicating the fourth vertical row of squares from the left on a chessboard

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