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The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as 1 ⁄ 86400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each (24 × 60 × 60 = 86400).
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A light flashing once per second. The second (symbol: s ),...
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Apr 14, 2024 · second (not comparable) Number- two; following after the first one with nothing between them. The ordinal number corresponding to the cardinal number two. He lives on Second Street. The second volume in "The Lord of the Rings" series is called "The Two Towers". You take the first one, and I'll have the second.
Learn the various meanings and uses of the word second as an adjective, noun, adverb, and verb. Find synonyms, antonyms, examples, and related terms for second in different contexts and fields.
Learn the various meanings and uses of the word second as an adjective, adverb, noun, or verb. Find out how to distinguish between second and related terms such as second class, second degree, second hand, and secondly. See examples of second in sentences and idioms.
