FoodOn

Last uploaded: October 9, 2020
Preferred Name

second

Definitions

A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom.

ID

http://purl.obolibrary.org/obo/UO_0000010

definition

A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom.

imported from

http://purl.obolibrary.org/obo/uo.owl

label

second

prefixIRI

UO:0000010

prefLabel

second

subClassOf

http://purl.obolibrary.org/obo/UO_0000003

http://purl.obolibrary.org/obo/UO_0000045

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