röntgen
/ˈɹɛnt.ɡən/noun
röntgen is a noun meaning “a unit of exposure to ionizing radiation” (English Wiktionary, September 2026). It is spelled R-Ö-N-T-G-E-N and has 2 syllables, and it appears about once in every 26 million words in written English (wordfreq, 2021 data). The plural of röntgen is röntgens.
What does röntgen mean?
noun
- 1
a unit of exposure to ionizing radiation
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce röntgen?
- UK /ˈɹɛnt.ɡən/
Röntgen has 2 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of röntgen
- röntgens plural
- roentgen
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is röntgen?
Röntgen appears about once in every 26 million words in written English, the 155,937th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Röntgen in Spanish, French, German and Portuguese
In the sense unit of exposure to ionizing radiation:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does röntgen come from?
Named after Wilhelm Conrad Röntgen.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).