The second (symbol: s) is a unit of time derived from the division of the day, first into hours, then into minutes, and lastly into seconds, for a total of 24 × 60 × 60 = 86 400 seconds per day. That …

Ordinal numbers in English show the position or order of things—like first, second, third, and so on. They’re used all the time in everyday English, whether you’re talking about dates, competitions, …

2 days ago · The meaning of SECOND is next to the first in place or time. How to use second in a sentence.

SECOND definition: 1. immediately after the first and before any others: 2. the position in which a person finishes a…. Learn more.

The second is the international standard unit (SI unit) for science. Celestial sphere -based: as in sidereal time, where the apparent movement of the stars and constellations across the sky is used to …

The comprehensive definition of second. Includes pronunciation, synonyms, etymology, and usage examples to help you master this word.

Feb 26, 2026 · The correct form is 2nd. This abbreviation stands for “second,” which is the ordinal form of the number two. We use ordinal numbers to show the order or position of something in a …

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SECOND meaning: 1. immediately after the first and before any others: 2. the position in which a person finishes a…. Learn more.

Feb 22, 2026 · A second can refer to any of the following: 1. With time, a second (often abbreviated sec) is a brief moment whose length equals one sixtieth (1/60) of a minute. Many computers track time in …