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The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as 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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Use this easy and mobile-friendly calculator to convert between seconds and minutes. Just type the number of seconds into the box and hit the Calculate button.
SECONDS definition: 1. an extra amount of food that is given after the first amount has been eaten: 2. an extra amount…. Learn more.
1. a. : next to the first in place or time. was second in line. b (1) : next to the first in value, excellence, or degree. his second choice of schools. (2) : inferior, subordinate. was second to none. c. : ranking next below the top of a grade or degree in authority or precedence. second mate. d. : alternate, other.
Seconds, time. The second (symbol: s; abbreviation: sec.) is the name of a unit of time, and is the International System of Units (SI) base unit of time.
A second is a unit of time. The symbol for second is sec.
n. 1. a. A unit of time equal to one sixtieth of a minute. b. The time needed for a cesium-133 atom to perform 9,192,631,770 complete oscillations. See Table at measurement. 2. A brief interval of time; a moment. See Synonyms at moment. 3. Mathematics A unit of angular measure equal to one sixtieth of a minute.
second part of a minute. (sekənd ) Word forms: plural seconds. countable noun. A second is one of the sixty parts that a minute is divided into. People often say ' a second ' or ' seconds ' when they simply mean a very short time. For a few seconds nobody said anything.
SECONDS meaning: 1. an extra amount of food that is given after the first amount has been eaten: 2. an extra amount…. Learn more.
