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
There are two good reasons why we can't do it. First, we can't afford it, and second, we don't have time. There are 60 seconds in a minute. per second These computers process millions of instructions per second. fraction of a second The new system can trace a phone call in a fraction of a second. just be a second "Come on, hurry up!"

Second - Simple English Wikipedia, the free encyclopedia
A light flashing once per second. 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 Babylonians. 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 ...

Second | Measurement, Timekeeping, Clock | Britannica
second, fundamental unit of time, now defined in terms of the radiation frequency at which atoms of the element cesium change from one state to another. The second was formerly defined as 1/86,400 of the mean solar day—i.e., the average period of rotation of the Earth on its axis relative to the Sun.

SECOND | definition in the Cambridge English Dictionary
There are two good reasons why we can't do it. First, we can't afford it, and second, we don't have time. There are 60 seconds in a minute. per second These computers process millions of instructions per second. fraction of a second The new system can trace a phone call in a fraction of a second. just be a second "Come on, hurry up!"

Second - definition of second by The Free Dictionary
One of two equal parts.

second - WordReference.com Dictionary of English
one who expresses formal support of a motion. an act or instance of such support: There is a motion before you; do I hear a second? Business [countable] Usually, seconds. [plural] goods of less than the highest quality.

Second - Definition, Meaning & Synonyms | Vocabulary.com
A second may be one-sixtieth of a minute or the item after first. If you ask whether you're second in line, the hostess might reply, "Give me a second and I'll tell you." Different meanings of the word second have evolved from the same background, which is the Latin word secundus, which means "next" or "following."

SECOND Definition & Meaning | Dictionary.com
being the latter of two equal parts. next after the first in place, time, or value. the second house from the corner. next after the first in rank, grade, degree, status, or importance. the second person in the company. alternate; other. I have my hair cut every second week. inferior or subordinate; secondary.

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