
Second - Wikipedia
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 …
SECOND Definition & Meaning - Merriam-Webster
1 day ago · The meaning of SECOND is next to the first in place or time. How to use second in a sentence.
Ordinal Numbers in English – Rules, List, Usage & Examples
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, …
SECOND | English meaning - Cambridge Dictionary
SECOND definition: 1. immediately after the first and before any others: 2. the position in which a person finishes a…. Learn more.
What Is a Second? - Computer Hope
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 …
SECOND - Meaning & Translations | Collins English Dictionary
Discover the word "SECOND" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.
Unit of time - Wikipedia
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 …
second Definition & Meaning - Dictionary.net
The comprehensive definition of second. Includes pronunciation, synonyms, etymology, and usage examples to help you master this word.
SECOND | definition in the Cambridge English Dictionary
SECOND meaning: 1. immediately after the first and before any others: 2. the position in which a person finishes a…. Learn more.
SECOND definition in American English | Collins English Dictionary
27 senses: 1. a. coming directly after the first in numbering or counting order, position, time, etc; being the ordinal number.... Click for more definitions.