Standard Lemma guide

röntgen

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

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  • Received-Pronunciation: /ˈɹɜːnt.ɡən/

1

name

Meaning 1

A surname from German, notably of Wilhelm Röntgen.

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

a unit of exposure to ionizing radiation

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Borrowed from German Röntgen.

Named after Wilhelm Conrad Röntgen.

Across languages

Translations

21 source translations are retained for this English entry.

  • Bulgarian: ре́нтген (réntgen) — unit of exposure to ionizing radiation
  • Chinese Mandarin: 倫琴 /伦琴 (lúnqín) — unit of exposure to ionizing radiation
  • Danish: røntgen — unit of exposure to ionizing radiation
  • Dutch: röntgen — unit of exposure to ionizing radiation
  • Estonian: röntgen — unit of exposure to ionizing radiation
  • Finnish: röntgen — unit of exposure to ionizing radiation
  • French: röntgen — unit of exposure to ionizing radiation
  • German: Röntgen — unit of exposure to ionizing radiation
  • Hungarian: röntgen — unit of exposure to ionizing radiation
  • Indonesian: rontgen — unit of exposure to ionizing radiation
  • Italian: röntgen — unit of exposure to ionizing radiation
  • Japanese: レントゲン (rentogen) — unit of exposure to ionizing radiation
  • Korean: 뢴트겐 (roenteugen) — unit of exposure to ionizing radiation
  • Polish: rentgen — unit of exposure to ionizing radiation
  • Portuguese: roentgen — unit of exposure to ionizing radiation
  • Russian: рентге́н (rentgén) — unit of exposure to ionizing radiation
  • Serbo-Croatian: рендген — unit of exposure to ionizing radiation
  • Serbo-Croatian: rendgen — unit of exposure to ionizing radiation
  • Slovak: röntgen — unit of exposure to ionizing radiation
  • Spanish: roentgen — unit of exposure to ionizing radiation
  • Turkish: röntgen — unit of exposure to ionizing radiation