monosome

noun

mono·some ˈmä-nə-ˌsōm

1

: a chromosome lacking a synaptic mate

especially : an unpaired X chromosome

2

: a single ribosome

Word History

First Known Use

1906, in the meaning defined at sense 1

Time Traveler

The first known use of monosome was in 1906

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Cite this Entry

Style

“Monosome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monosome. Accessed 15 Apr. 2025.

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Medical Definition

monosome

noun

mono·some ˈmän-ə-ˌsōm

1

: a chromosome lacking a synaptic mate

especially : an unpaired X chromosome

2

: a single ribosome

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