EN

second sec s 1 E0 s 1 E6 s

EN

1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
WordNet 3.0

EN

second sec s 1 E0 s 1 E6 s

EN

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EN

1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
WordNet 3.0 & Open English WordNet

The second is the unit of time in the International System of Units, historically defined as 1⁄86400 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.
Wikipedia

A unit of time
Wikipedia Disambiguation

Base unit of time in the International System of Units.
Wikipedia Disambiguation

SI unit of time, defined as 9 192 631 770 periods of the ground-state hyperfine transitions of caesium-133
Wikidata

One-sixtieth of a minute (as it is the second division of the hour, the minute being the first).
OmegaWiki

Second, 1⁄60 of a minute.
Wiktionary

One-sixtieth of a minute; the SI unit of time, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of caesium-133 in a ground state at a temperature of absolute zero and at rest.
Wiktionary

One-sixtieth of a minute; SI unit of time.
Wiktionary (translation)

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