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Seconds
/ˈsɛk.əndz/noun
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Seconds are the base unit of time in the International System of Units (SI), representing 1/60th of a minute and used to measure brief intervals in science, sports, and daily life. Beyond timing, the term can also refer to additional servings of food or imperfect goods in retail, adding a layer of everyday practicality to its precise scientific roots.
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The modern second is defined by the incredibly precise vibrations of a cesium-133 atom, specifically as exactly 9,192,631,770 periods of radiation from its ground state, a standard adopted in 1967 that makes atomic clocks accurate to within a second over millions of years.
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