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EncyclopediaSeeGalaxy SS2
S2Symbol for second heart sound.S2 Cardiology The 2nd heart sound, which corresponds to the closure of semilunar–pulmonary and aortic valves, which is a short, higher pitched “dubb”.S2Abbreviation for second heart sound. FinancialSeeForm S-2S2
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| S2➣Sims 2 (game) | | S2➣Secondary 2 (various locations) | | S2➣Socom 2 (gaming) | | S2➣Intelligence Officer (US Army) | | S2➣Super Solenoid (Evangelion) | | S2➣Smackdown 2 (Playstation game) | | S2➣Intel Office (USMC) | | S2➣Shut Up and Sit Down | | S2➣Sleep Mode 2 (partial-sleep computer power-down state) |
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