arboretum
/ɑː(ɹ)bəˈɹiːtəm/noun
arboretum is spelled A-R-B-O-R-E-T-U-M: 9 letters and 4 syllables. It appears about once in every 2 million words in written English, the 36,998th most frequent word form (wordfreq, 2021 data). As a noun, arboretum means “A place where many varieties of tree are grown for research, educational, and ornamental purposes” (English Wiktionary, September 2026). The plural of arboretum is arboretums or arboreta.
How many letters and syllables are in arboretum?
| Letters | 9: A-R-B-O-R-E-T-U-M |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 2 million words; the 36,998th 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 arboretum?
Arboretum appears about once in every 2 million words in written English, the 36,998th 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 arboretum?
- /ɑː(ɹ)bəˈɹiːtəm/
Arboretum 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).
Forms of arboretum
- arboretums plural
- arboreta plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does arboretum mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A place where many varieties of tree are grown for research, educational, and ornamental purposes.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Arboretum in Spanish, French, German and Portuguese
In the sense place of many varieties of tree:
| Language | Words |
|---|---|
| French | arboretum |
| German | Baumgarten, Arboretum |
| Portuguese | arboreto |
| Spanish | arboreto, arboretum |
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 arboretum come from?
Borrowed from Latin arborētum (“place with trees growing, plantation of trees”), from arbor (“tree”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).