guanine
/ˈɡwɑː.niːn/noun
guanine is spelled G-U-A-N-I-N-E: 7 letters and 2 syllables. It appears about once in every 5 million words in written English, the 66,686th most frequent word form (wordfreq, 2021 data). As a noun, guanine means “A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds)” (English Wiktionary, September 2026). The plural of guanine is guanines.
How many letters and syllables are in guanine?
| Letters | 7: G-U-A-N-I-N-E |
|---|---|
| Syllables | 2 (from its American pronunciation) |
| In writing | about once in every 5 million words; the 66,686th 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 guanine?
Guanine appears about once in every 5 million words in written English, the 66,686th 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 guanine?
- /ˈɡwɑː.niːn/
Guanine has 2 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). Recordings: En-us-guanine.ogg, LL-Q1860_(eng)-Tesco250-guanine.wav, Wikimedia Commons (author and licence on each file's page).
Forms of guanine
- guanines plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does guanine mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Guanine in Spanish, French, German and Portuguese
In the sense substance obtained from guano:
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 guanine come from?
From guano + -ine. Guanine was named by the German chemist Julius Bodo Unger in 1846 who isolated it from guano.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).