caldarium
/kælˈdɛɹi.əm/noun
caldarium is spelled C-A-L-D-A-R-I-U-M: 9 letters. It appears about once in every 87 million words in written English, the 297,763rd most frequent word form (wordfreq, 2021 data). As a noun, caldarium means “In Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium” (English Wiktionary, September 2026). The plural of caldarium is caldariums or caldaria.
How many letters and syllables are in caldarium?
| Letters | 9: C-A-L-D-A-R-I-U-M |
|---|---|
| In writing | about once in every 87 million words; the 297,763rd 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 caldarium?
Caldarium appears about once in every 87 million words in written English, the 297,763rd 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 caldarium?
- UK /kælˈdɛəɹi.əm/
- US /kælˈdɛɹi.əm/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with caldarium?
The 12 most written words on PlainSpell end in the same sounds as caldarium from its last stressed vowel (/ɛɹiəm/):
- herbarium
- terrarium
- fusarium
- honorarium
- samarium
- imaginarium
- vivarium
- columbarium
- armamentarium
- oceanarium
- seaquarium
- legendarium
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 caldarium
- caldariums plural
- caldaria plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does caldarium mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
In Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium.
- 2
In modern spas, a room with a hot floor.
- 3
An intermediate or warm greenhouse.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does caldarium come from?
Unadapted borrowing from Latin caldārium (“room containing warm water for bathing”), substantive of caldārius (“of, pertaining to or suitable for bathing”), from caldus (“warm, hot”) + -ārius, alternative form of calidus, from caleō (“to be warm or hot; glow”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).