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S
01
1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
02
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
03
the 19th letter of the Roman alphabet
04
a unit of conductance equal to the reciprocal of an ohm
05
the direction toward the point of the horizon opposite to the north
Example
The compass needle pointed directly to S.
Their cabin is located 10 miles S of the main road.