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sec vs leap second

leap second vs sec

sec and leap second both are nouns.

sec is an adjective but leap second is not an adjective.

Word NounAdjectiveVerbAdverb
sec Yes Yes No No
leap second Yes No No No
As nouns, leap second is a hyponym of sec; that is, leap second is a word with a more specific, narrower meaning than sec:
  • sec: 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
  • leap second: a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation
sec (noun) leap second (noun)
ratio of the hypotenuse to the adjacent side of a right-angled triangle a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth's rotation
1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
sec (adjective) leap second (adjective)
(of champagne) moderately dry
Difference between sec and leap second

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