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standard of living

(Encyclopedia)standard of living, level of consumption that an individual, group, or nation has achieved. The evaluation of a standard of living is relative, depending upon the judgment of the observer as to what c...

daylight saving time

(Encyclopedia)daylight saving time (DST), time observed when clocks and other timepieces are set ahead so that the sun will rise and set later in the day as measured by civil time. The amount of daylight on a given...

international gold standard

(Encyclopedia)international gold standard: see international monetary system. ...

space-time

(Encyclopedia)space-time, central concept in the theory of relativity that replaces the earlier concepts of space and time as separate absolute entities. In relativity one cannot uniquely distinguish space and time...

sidereal time

(Encyclopedia)sidereal time (ST), time measured relative to the fixed stars; thus, the sidereal day is the period during which the earth completes one rotation on its axis so that some chosen star appears twice on ...

time-division

(Encyclopedia)time-division: see multiplexing. ...

standard temperature and pressure

(Encyclopedia)standard temperature and pressure: see STP. ...

local solar time

(Encyclopedia)local solar time: see solar time. ...

mean solar time

(Encyclopedia)mean solar time: see solar time. ...

equation of time

(Encyclopedia)equation of time: see solar time. ...