hohlraum
noun
hohlraum is spelled H-O-H-L-R-A-U-M: 8 letters. It appears about once in every 60 million words in written English, the 243,301st most frequent word form (wordfreq, 2021 data). As a noun, hohlraum means “A cavity whose walls are in thermodynamic equilibrium with the radiation emitted by the cavity” (English Wiktionary, September 2026). The plural of hohlraum is hohlraums.
How many letters and syllables are in hohlraum?
| Letters | 8: H-O-H-L-R-A-U-M |
|---|---|
| In writing | about once in every 60 million words; the 243,301st most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is hohlraum?
Hohlraum appears about once in every 60 million words in written English, the 243,301st 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).
Forms of hohlraum
- hohlraums plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does hohlraum mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A cavity whose walls are in thermodynamic equilibrium with the radiation emitted by the cavity
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does hohlraum come from?
Borrowed from German Hohlraum (“hollow area”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).