atmo
noun
atmo is spelled A-T-M-O: 4 letters. It appears about once in every 18 million words in written English, the 127,184th most frequent word form (wordfreq, 2021 data). As a noun, atmo means “The standard atmospheric pressure used in certain physical measurements and calculations; conventionally, that pressure under which the barometer…” (English Wiktionary, September 2026). The plural of atmo is atmos.
How many letters and syllables are in atmo?
| Letters | 4: A-T-M-O |
|---|---|
| In writing | about once in every 18 million words; the 127,184th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
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); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is atmo?
Atmo appears about once in every 18 million words in written English, the 127,184th 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).
What rhymes with atmo?
No other word on PlainSpell ends in the same sounds as atmo.
Spelled with the same letters in another order: atom, moat.
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of atmo
- atmos plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does atmo mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
datedThe standard atmospheric pressure used in certain physical measurements and calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0° Centigrade, at the level of the sea, and in the latitude of Paris.
- 2
colloquialClipping of atmosphere
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Atmo in Spanish, French, German and Portuguese
In the sense related to air or vapor:
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 atmo come from?
From atmosphere.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).