Word.ws English Dictionary

guanin

guanin is the obsolete spelling of guanine.

Meaning of guanine

Noun

guanine (plural guanines)

  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).
    • Then he found them, the substances that made up the four-letter alphabet in whose language all life is written — adenine and cytosine, guanine and thymine.1997, Ian McEwan, Enduring Love, Vintage (1998), page 164

Forms of guanin

pluralguanins

Questions about guanin

What is guanin the obsolete spelling of?
Guanin is the obsolete spelling of guanine.

Words near guanin in the dictionary

  1. guanidylating
  2. guanidylation
  3. guanidylations
  4. guanidyls
  5. guaniferous
  6. guanin
  7. guanine
  8. guanines
  9. guanins
  10. guanite
  11. guanized

Source and license

Adapted from Wiktionary: guanin (page history and authors); guanine (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “guanin.” Word.ws, https://word.ws/guanin. Based on Wiktionary, CC BY-SA 4.0.