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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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SECONDS definition: 1. an extra amount of food that is given after the first amount has been eaten: 2. an extra amount…. Learn more.
A second is a unit of time. The symbol for second is sec.
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 short amount of time. It takes about 1 second to turn on a light or open the refrigerator door. A minute is equal to 60 seconds. It takes about 1 minute to brush your teeth. An hour is equal to 60 minutes. Extracurricular activities (gymnastics, piano lessons, soccer practice) often last about 1 hour.
SECONDS meaning: 1. an extra amount of food that is given after the first amount has been eaten: 2. an extra amount…. Learn more.
Definition of 'second' Word Frequency. second part of a minute. (sekənd ) Word forms: plural seconds. countable noun A2. 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. It only takes forty seconds.
The second (symbol: s ), is a unit of time. There are 60 seconds in a minute, 60 minutes in an hour, and 24 hours in a day. This tradition dates back to the Babylonian .
