Oppenheimer
/ˈɒpənˌhaɪmər/noun
Oppenheimer is spelled O-P-P-E-N-H-E-I-M-E-R: 11 letters and 4 syllables. It appears about once in every 1 million words in written English, the 31,549th most frequent word form (wordfreq, 2021 data). As a noun, Oppenheimer means “A denizen of Oppenheim” (English Wiktionary, September 2026). The plural of Oppenheimer is Oppenheimers.
How many letters and syllables are in Oppenheimer?
| Letters | 11: O-P-P-E-N-H-E-I-M-E-R |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 1 million words; the 31,549th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is Oppenheimer?
Oppenheimer appears about once in every 1 million words in written English, the 31,549th 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).
How do you pronounce Oppenheimer?
- /ˈɒpənˌhaɪmər/
Oppenheimer has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-Oppenheimer.ogg, Wikimedia Commons (author and licence on each file's page).
Forms of Oppenheimer
- Oppenheimers plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does Oppenheimer mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A denizen of Oppenheim.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Oppenheimer in Spanish, French, German and Portuguese
In the sense denizen:
| Language | Words |
|---|---|
| German | Oppenheimer |
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 Oppenheimer come from?
From Oppenheim + -er.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).