- Second - Wikipedia
The second (symbol: s) is a unit of time 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) The current and formal definition in the International System of Units (SI) is more precise:
- SECOND Definition Meaning - Merriam-Webster
The meaning of SECOND is next to the first in place or time How to use second in a sentence
- 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
- Second - definition of second by The Free Dictionary
1 Coming next after the first in order, place, rank, time, or quality 2 a Repeating an initial instance: a second chance b Reminiscent of one that is well known: a second George Washington; a second Waterloo c Alternate; other: every second year 3 Inferior to another; subordinate: second vice president at the bank; a leader second to
- Second - Simple English Wikipedia, the free encyclopedia
In science, a second is the time it takes for a caesium atom to vibrate 9,192,631,770 (around 9 billion) times Scientists measure the second this way because the length of a day changes all the time
- SECOND - Meaning Translations | Collins English Dictionary
Master the word "SECOND" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource
- SECOND | meaning - Cambridge Learners Dictionary
SECOND definition: 1 referring to the person, thing, or event that comes immediately after the first: 2 2nd written… Learn more
- What does Second mean? - Definitions. net
The second is the base unit of time in the International System of Units and is also a unit of time in other systems of measurement it is the second division of the hour by sixty, the first division by 60 being the minute
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