thymine

noun
thy·​mine | \ˈthī-ˌmēn \

Definition of thymine 

: a pyrimidine base C5H6N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of DNA — compare adenine, cytosine, guanine, uracil

Examples of thymine 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 Harmful herbs AAs spur cancers almost exclusively by inducing adenine-to-thymine (A-to-T) mutations in DNA. Beth Mole, Ars Technica, "Herbal remedies embraced by naturopaths, alt med widely linked to liver cancers," 18 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 'thymine.' 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 thymine

1894, in the meaning defined above

History and Etymology for thymine

International Scientific Vocabulary, from New Latin thymus

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Time Traveler for thymine

The first known use of thymine was in 1894

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More Definitions for thymine

thymine

noun
thy·​mine | \ˈthī-ˌmēn \

Medical Definition of thymine 

: a pyrimidine base C5H6N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of DNA — compare adenine, cytosine, guanine, uracil

More from Merriam-Webster on thymine

Britannica.com: Encyclopedia article about thymine

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