unobtanium
noun
unobtanium is spelled U-N-O-B-T-A-N-I-U-M: 10 letters. It appears about once in every 31 million words in written English, the 169,822nd most frequent word form (wordfreq, 2021 data). As a noun, unobtanium means “Alternative spelling of unobtainium” (English Wiktionary, September 2026). The plural of unobtanium is unobtaniums.
How many letters and syllables are in unobtanium?
| Letters | 10: U-N-O-B-T-A-N-I-U-M |
|---|---|
| In writing | about once in every 31 million words; the 169,822nd 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 unobtanium?
Unobtanium appears about once in every 31 million words in written English, the 169,822nd 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 unobtanium?
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-unobtanium.wav, Wikimedia Commons (author and licence on each file's page).
Forms of unobtanium
- unobtaniums plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does unobtanium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Alternative spelling of unobtainium.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).