WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / G / guanine guanine noun /gwɑnin/ 2 syllables 7 letters Scrabble 8 WWF 12 Definitions noun a purine base found in DNA and RNA; pairs with cytosine g Look “guanine” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →