monatomic
adjective
monatomic is spelled M-O-N-A-T-O-M-I-C: 9 letters and 4 syllables. It appears about once in every 26 million words in written English, the 155,937th most frequent word form (wordfreq, 2021 data). As an adjective, monatomic means “Of an element, consisting of a single atom in the molecule, for example, the noble gases. Note: Strictly speaking, a molecule has at least two atoms” (English Wiktionary, September 2026).
How many letters and syllables are in monatomic?
| Letters | 9: M-O-N-A-T-O-M-I-C |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 26 million words; the 155,937th 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 monatomic?
Monatomic 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).
How do you pronounce monatomic?
- US
Monatomic 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: LL-Q1860_(eng)-Flame,_not_lame-monatomic.wav, Wikimedia Commons (author and licence on each file's page).
Forms of monatomic
- monoatomic
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does monatomic mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of an element, consisting of a single atom in the molecule, for example, the noble gases. Note: Strictly speaking, a molecule has at least two atoms.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Monatomic in Spanish, French, German and Portuguese
In the sense consisting of a single atom:
| Language | Words |
|---|---|
| French | monoatomique |
| Portuguese | monoatómico, monoatômico |
| Spanish | monoatómico |
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.