Hyperonyms
(has_hyperonym)
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04437953-n:
a measuring instrument or device for keeping time
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Hyponyms
(has_hyponym)
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02703124-n:
an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
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Hyponyms
(has_hyponym)
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02935490-n:
an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
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Glosses
(gloss)
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02292125-v:
obtain
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Glosses
(gloss)
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04437953-n:
a measuring instrument or device for keeping time
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Glosses
(gloss)
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07345166-n:
(physics) a regular periodic variation in value about a mean
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Glosses
(gloss)
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14619225-n:
(physics and chemistry) the smallest component of an element having the chemical properties of the element
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Glosses
(gloss)
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14682133-n:
(physics and chemistry) the simplest structural unit of an element or compound
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Glosses
(gloss)
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15134691-n:
an arrangement of events used as a measure of duration
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Glosses
(rgloss)
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02703124-n:
an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
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Glosses
(rgloss)
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02935490-n:
an atomic clock based on the energy difference between two states of the caesium nucleus in a magnetic field
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Glosses
(rgloss)
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15235334-n:
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
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