genome

noun

ge·​nome ˈjē-ˌnōm How to pronounce genome (audio)
: one haploid set of chromosomes with the genes they contain
broadly : the genetic material of an organism compare proteome

Examples of genome in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For the study, the Tumat rhino’s genome was compared with specimens from 18,000 and 49,000 years ago. Mrigakshi Dixit, Interesting Engineering, 14 Jan. 2026 Additionally, there was no evidence of a long-term gradual population decline within the genome. Laura Baisas, Popular Science, 14 Jan. 2026 Sequencing the genomes of such extinct megafauna can help identify the culprit behind their extinction, providing tools to counter the pervasive threats species face today. Jeanne Timmons, Scientific American, 14 Jan. 2026 However, spontaneous and induced sleep promoted genome stability, suggesting that the evolution of sleep may have occurred to repair DNA damage and reduce cellular stress in simple nerve nets. Michelle Del Rey, USA Today, 9 Jan. 2026 See All Example Sentences for genome

Word History

Etymology

German Genom, from Gen gene + -om (as in Chromosom chromosome)

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of genome was in 1926

Browse Nearby Words

Cite this Entry

“Genome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genome. Accessed 21 Jan. 2026.

Medical Definition

genome

noun
ge·​nome ˈjē-ˌnōm How to pronounce genome (audio)
: one haploid set of chromosomes with the genes they contain
broadly : the genetic material of an organism
The idea behind sequencing an organism's genome—decoding, letter by letter, the message contained in every last one of its genes—is that it would tell us a lot about how the organism works. Lori Oliwenstein, Discover

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