harmonium
har·mo·ni·um/hɑɹˈmoʊ̯.ni.əm/noun
harmonium is spelled H-A-R-M-O-N-I-U-M: 9 letters and 4 syllables (har·mo·ni·um). It appears about once in every 6 million words in written English, the 75,877th most frequent word form (wordfreq, 2021 data). As a noun, harmonium means “A small keyboard instrument that consists of a series of reed pipes, which sound when one of the keys is pressed to open a valve that allows air to…” (English Wiktionary, September 2026). The plural of harmonium is harmoniums.
How many letters and syllables are in harmonium?
| Letters | 9: H-A-R-M-O-N-I-U-M |
|---|---|
| Syllables | 4: har·mo·ni·um |
| In writing | about once in every 6 million words; the 75,877th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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 harmonium?
Harmonium appears about once in every 6 million words in written English, the 75,877th 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 harmonium?
- UK /hɑːˈməʊ̯.niː.əm/
- US /hɑɹˈmoʊ̯.ni.əm/
- Australia /hɐːˈmɐʉ̯.niː.əm/
Harmonium has 4 syllables, split har·mo·ni·um in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-harmonium.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with harmonium?
The 12 most written words on PlainSpell end in the same sounds as harmonium from its last stressed vowel (/oʊniəm/):
- ammonium
- pandemonium
- polonium
- pancuronium
- vecuronium
- hydronium
- neutronium
- rocuronium
- pandamonium
- tetraethylammonium
- onium
- suxamethonium
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 harmonium
- harmoniums plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does harmonium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A small keyboard instrument that consists of a series of reed pipes, which sound when one of the keys is pressed to open a valve that allows air to pass through.
- 2
Synonym of Hooke's atom.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Harmonium in Spanish, French, German and Portuguese
In the sense musical instrument:
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 harmonium come from?
Borrowed from French harmonium, coined by French harmonium inventor Alexandre Debain in 1840. By surface analysis, harmony + -ium. First attested in 1847.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).