en

second

1 substantive

EKI Combined Dictionary 2026

Last modified 01.08.2024

Meanings

1
aja mõõtühik, 1/60 minutit, SI-süsteemi üks põhiühikuid

Translations

2
äärmiselt lühike ajavahemik, hetk, viiv
Similar meaning

Translations

Terminological databases

EKI terminibaas Esterm

ID 734181 Last modified 03.05.2024
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Domain units of measurement
sekund
s
second
s
  • SI ajaühik, mis võrdub tseesium-133 aatomi põhiseisundi kahe ülipeene nivoo vahelisele üleminekule vastava kiirguse 9 192 631 770 perioodiga
  • SI base unit of time, 1/60 part of a minute of time
  • 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
sekund
s symbol
second
s symbol

Matemaatika terminibaas

ID 666460 Last modified 18.01.2024
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Domain Mathematics

Metroloogia terminibaas

ID 574082 Last modified 01.08.2024
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Domain metrologyunits of measurement
sekund preferred
kaaresekund variant
second preferred
angular second
second of arc variant
  • tasanurga SI väline ühik
  • non-SI unit for plane angle
sekund preferred
Good to know
  • Tasanurga ühik sekund on SI väline ühik, mis on kasutatav koos SI ühikutega.
kaaresekund variant
second preferred
Good to know
  • The second is the non-SI unit accepted for use with the SI
angular second
second of arc variant

Metroloogia terminibaas

ID 572525 Last modified 22.07.2024
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Domain metrologyunits of measurement
  • sekund on määratud sõltuvalt tseesiumi sageduse ∆νCs, milleks on tseesiumi aatomi isotoobi 133 kahe häirimata põhiseisundi struktuurinivoo vahelisele üleminekule vastav sagedus, fikseerimisega väärtusarvul 9 192 631 770 väljendatud ühiku Hz abil, mis on võrdne ühikuga s–1
    Good to know
    • Sekund (tähis s) on SI ajaühik, ühtlasi ka SI põhiühik.
  • the second defined by taking the fixed numerical value of the caesium frequency ∆νCs, the unperturbed ground-state hyperfine transition frequency of the caesium 133 atom, to be 9 192 631 770 when expressed in the unit Hz, which is equal to s–1
    Good to know
    • The second, symbol s, is the SI unit of time, and the unit of proper time in the sense of the general theory of relativity, and the base unit of the SI.
sekund
Good to know
  • Sekund on defineeritud SI Brošüüris, mis on publitseeritud BIPM-i poolt.
second
Good to know
  • The second is defined by the SI Brochure, which is published by the BIPM.

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