guanine

noun
gua·​nine | \ˈgwä-ˌnēn \

Definition of guanine 

: a purine base C5H5N5O that codes genetic information in the polynucleotide chain of DNA or RNA — compare adenine, cytosine, thymine, uracil

Examples of guanine in a Sentence

Recent Examples on the Web

The bases are often referred to as A, C, G and T, the initials of their full chemical names, adenine, cytosine, guanine and thymine. The Economist, "BiotechnologyGene editing takes another step forward," 26 Oct. 2017 The nascent technology converts the 1s and 0s of computing’s binary code into A, C, G and T, the letters that correspond to DNA base types, adenine, cytosine, guanine and thymine. Jay Greene, WSJ, "Malware Stored in Synthetic DNA Can Take Over a PC, Researchers Find," 10 Aug. 2017 The vast chains of DNA in each cell are made of just four molecules — adenine, guanine, thymine and cytosine — arranged in enormously varied configurations. Gina Kolata, The Seattle Times, "Who needs hard drives? Scientists store film clip in DNA," 12 July 2017 The vast chains of DNA in each cell are made of just four molecules — adenine, guanine, thymine and cytosine — arranged in enormously varied configurations. Gina Kolata, New York Times, "Who Needs Hard Drives? Scientists Store Film Clip in DNA," 12 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'guanine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of guanine

1850, in the meaning defined above

History and Etymology for guanine

guano + -ine; from its being found especially in guano

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Time Traveler for guanine

The first known use of guanine was in 1850

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More Definitions for guanine

guanine

noun
gua·​nine | \ˈgwän-ˌēn \

Medical Definition of guanine 

: a purine base C5H5N5O that codes genetic information in the polynucleotide chain of DNA or RNA — compare adenine, cytosine, thymine, uracil

More from Merriam-Webster on guanine

Britannica.com: Encyclopedia article about guanine

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