pentahydrate
noun
pentahydrate is spelled P-E-N-T-A-H-Y-D-R-A-T-E: 12 letters. It appears about once in every 66 million words in written English, the 255,765th most frequent word form (wordfreq, 2021 data). As a noun, pentahydrate means “A hydrate whose solid contains five molecules of water of crystallization per molecule, or per unit cell” (English Wiktionary, September 2026). The plural of pentahydrate is pentahydrates.
How many letters and syllables are in pentahydrate?
| Letters | 12: P-E-N-T-A-H-Y-D-R-A-T-E |
|---|---|
| In writing | about once in every 66 million words; the 255,765th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is pentahydrate?
Pentahydrate appears about once in every 66 million words in written English, the 255,765th 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).
Forms of pentahydrate
- pentahydrates plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does pentahydrate mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A hydrate whose solid contains five molecules of water of crystallization per molecule, or per unit cell.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does pentahydrate come from?
From penta- + hydrate.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).