• (thermodynamicS) a thermodynamic quantity repreSenting the amount of energy in a SyStem that iS no longer available for doing mechanical work; "entropy increaSeS aS matter and energy in the univerSe degrade to an ultimate State of inert uniformity"
• the 19th letter of the Roman alphabet
• a unit of conductance equal to the reciprocal of an ohm
• the cardinal compaSS point that iS at 180 degreeS
• an abundant taSteleSS odorleSS multivalent nonmetallic element; beSt known in yellow cryStalS; occurS in many Sulphide and Sulphate mineralS and even in native form (eSpecially in volcanic regionS)
• 1/60 of a minute; the baSic unit of time adopted under the SySteme International d''UniteS

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