Standard Lemma guide

sievert

name · noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˈsiː.vət/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /ˈsiː.vɚt/
  • CMU ARPABET: S IY1 V ER0 T Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A surname.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

In the International System of Units, the derived unit of radiation dose: the dose received in one hour at a distance of 1 cm from a point source of 1 mg of radium in a 0.5 mm thick platinum enclosure, which in its biological effects corresponds to several different quantities: equivalent dose, effective dose, and committed dose.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Borrowed from Swedish Sievert, ultimately from Old Norse Sigurþór.

From Swedish Sievert. Named after the Swedish radiologist Rolf Sievert.

Across languages

Translations

16 source translations are retained for this English entry.

  • Czech: sievert — SI unit of radiation dose
  • Esperanto: siverto — SI unit of radiation dose
  • Finnish: sievert — SI unit of radiation dose
  • French: sievert — SI unit of radiation dose
  • Georgian: ზივერტი (ziverṭi) — SI unit of radiation dose
  • German: Sievert — SI unit of radiation dose
  • Hungarian: sievert — SI unit of radiation dose
  • Icelandic: sívert — SI unit of radiation dose
  • Indonesian: sievert — SI unit of radiation dose
  • Kazakh: зиверт (zivert) — SI unit of radiation dose
  • Malay: sievert — SI unit of radiation dose
  • Polish: siwert — SI unit of radiation dose
  • Portuguese: sievert — SI unit of radiation dose
  • Spanish: siévert — SI unit of radiation dose
  • Swedish: sievert — SI unit of radiation dose
  • Thai: ซีเวิร์ต (sii-wə̂ət) — SI unit of radiation dose