ribosome
noun
ri·bo·some
ˈrī-bə-ˌsōm 
: any of the RNA-rich cytoplasmic granules that are sites of protein synthesis see cell illustration
Examples of ribosome in a Sentence
Recent Examples on the Web
In 2014, his lab showed vaults are made in an unusual way, by an assembly line of ribosomes.
—
Byjohn Travis, science.org, 6 June 2024
Every ribosomal hibernation factor previously discovered physically blocks the ribosome’s A site, so any protein-making process that’s in progress must be completed before the factor can attach to turn off the ribosome.
—Dan Samorodnitsky, Quanta Magazine, 5 June 2024
Before Balon, hibernation factors had only been seen in empty ribosomes.
—Dan Samorodnitsky, Quanta Magazine, 5 June 2024
Still other types of ncRNAs, called small nucleolar RNAs, work within cell compartments called nucleoli to help modify the RNA in ribosomes—a cell’s protein-making factories—as well as transfer RNA and mRNA.
—Philip Ball, Scientific American, 14 May 2024
See All Example Sentences for ribosome
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Byjohn Travis, science.org, 6 June 2024
Every ribosomal hibernation factor previously discovered physically blocks the ribosome’s A site, so any protein-making process that’s in progress must be completed before the factor can attach to turn off the ribosome.
—Dan Samorodnitsky, Quanta Magazine, 5 June 2024
Before Balon, hibernation factors had only been seen in empty ribosomes.
—Dan Samorodnitsky, Quanta Magazine, 5 June 2024
Still other types of ncRNAs, called small nucleolar RNAs, work within cell compartments called nucleoli to help modify the RNA in ribosomes—a cell’s protein-making factories—as well as transfer RNA and mRNA.
—Philip Ball, Scientific American, 14 May 2024
See All Example Sentences for ribosome
Cite this Entry
“Ribosome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ribosome. Accessed 1 Mar. 2025.
Copy CitationKids Definition
ribosome
noun
ri·bo·some
ˈrī-bə-ˌsōm
: one of numerous small RNA-containing particles in a cell that are sites of protein synthesis
Medical Definition
ribosome
noun
ri·bo·some
ˈrī-bə-ˌsōm
: any of the RNA- and protein-rich cytoplasmic granules that are sites of protein synthesis
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