hydrobiology
noun
hydrobiology is spelled H-Y-D-R-O-B-I-O-L-O-G-Y: 12 letters. It appears about once in every 45 million words in written English, the 206,808th most frequent word form (wordfreq, 2021 data). As a noun, hydrobiology means “The study of the biology of the organisms that inhabit bodies of water” (English Wiktionary, September 2026).
How many letters and syllables are in hydrobiology?
| Letters | 12: H-Y-D-R-O-B-I-O-L-O-G-Y |
|---|---|
| In writing | about once in every 45 million words; the 206,808th 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 hydrobiology?
Hydrobiology appears about once in every 45 million words in written English, the 206,808th 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 does hydrobiology mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The study of the biology of the organisms that inhabit bodies of water.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Hydrobiology in Spanish, French, German and Portuguese
In the sense study of the biology of the organisms that inhabit bodies of water:
| Language | Words |
|---|---|
| French | hydrobiologie |
| Portuguese | hidrobiologia |
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 hydrobiology come from?
From hydro- + biology.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).