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- 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 definition, based on 1⁄86400 of a rotation of the Earth, is still used by the Universal Time 1 (UT1) system
- 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 | 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 of second by The Free Dictionary
1 In the second order, place, or rank: finished second 2 But for one other; save one: the second highest peak
- Second - Math. net
Second The term "second" has a number of different meanings in the context of math and numbers Possibly the most important is that it is the base unit of time in the International System of Units (SI) Other measurements of time, such as minutes, hours, days, weeks, and so on, are defined based on the second
- second - Oxford Learners Dictionaries
He got out with seconds to spare see also split second Wait a second—this email's been sent to me by mistake This will only take a second I hesitated for a second before speaking For a second I thought you were my mother For a heart-stopping second he thought he had lost his keys
- Second Definition (Illustrated Mathematics Dictionary)
Illustrated definition of Second: The basic unit of time There are 60 seconds in 1 minute and 3,600 seconds in an hour In this clock the hand
- 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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