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cytosine
noun
cy·to·sine
ˈsī-tə-ˌsēn
Examples of cytosine in a Sentence
Recent Examples on the Web
Each bead is one of four different nucleotides: adenine, thymine, cytosine, or guanine, which biologists refer to by the letters A, T, C, and G. Strings of these nucleotides encode the building instructions and control switches for proteins and other molecules that do the work of maintaining life.
—Michael C. Schatz, IEEE Spectrum, 27 June 2013
The key shows the universal elements (hydrogen, oxygen, carbon and nitrogen), the four bases of the DNA molecule (adenine, cytosine, guanine and thymine) with their molecular structure, where they’re placed in the DNA double helix, and how genes are arranged on a chromosome.
—New Atlas, 19 Sep. 2024
Agilent developed a way to print strands of DNA from the four nucleic acid bases—cytosine (C), guanine (G), adenine (A), and thymine (T).
—Phillip W. Barth, IEEE Spectrum, 25 Mar. 2024
This storage system works by converting digital information to the elements that make up DNA: adenine (A), cytosine (C), guanine (G), and thymine (T).
—Emma Roth, The Verge, 4 Dec. 2023
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Word History
Etymology
International Scientific Vocabulary cyt- + -ose + -ine entry 2
First Known Use
1894, in the meaning defined above
Dictionary Entries Near cytosine
Cite this Entry
“Cytosine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytosine. Accessed 21 Dec. 2024.
Kids Definition
cytosine
noun
cy·to·sine
ˈsīt-ə-ˌsēn
Medical Definition
cytosine
noun
cy·to·sine
ˈsīt-ə-ˌsēn
More from Merriam-Webster on cytosine
Britannica.com: Encyclopedia article about cytosine
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