roentgen
French, noun\ʁœ̃nt.ɡɛn\
roentgen is spelled R-O-E-N-T-G-E-N (8 letters) and appears about once in every 31 million words in written French, the 177,898th most frequent French word form (wordfreq, 2021 data). Roentgen is a French masculine noun meaning “roentgen” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Ancienne unité cgs de dosimétrie radioactive et radiologique, de symbole R, définie comme la dose de rayons X…”.
What does roentgen mean in English?
noun
- 1
masculineroentgen
Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).
How French dictionaries define it
noun: 1. Ancienne unité cgs de dosimétrie radioactive et radiologique, de symbole R, définie comme la dose de rayons X ou gammas produisant une unité de charge électrostatique (esu) de charges positives et négatives dans un centimètre cube d’air sec à pression et température normales (ce qui équivaut à 258 μC/kg).
The definition in the French Wiktionary (Wiktionnaire), in French.
Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of roentgen
- roentgens plural
- röntgen
- rœntgen
Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce roentgen?
- \ʁœ̃nt.ɡɛn\
Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
How common is roentgen in French?
roentgen appears about once in every 31 million words in written French.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).