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
Surrounding that and protected by an outer shell is the cytoplasm, a frothy liquid of protein-synthesizing ribosomes, energy-producing mitochondria, energy-storing lipids, and the like.
—
Literary Hub, 28 Oct. 2025
For Glass, an obvious red line is for scientists to refrain from making a mirror ribosome, a biological machine found in a cell’s cytoplasm that makes proteins.
—Katie Hunt, CNN Money, 17 Oct. 2025
This helical strand of molecules allows for information contained in DNA in the nucleus of cells to be delivered to ribosomes where protein synthesis can occur.
—Joshua P. Cohen, Forbes.com, 2 Sep. 2025
Acting like a factory assembly line, the ribosome then links amino acids together, one by one, to build a protein.
—Neetika Walter, Interesting Engineering, 29 Aug. 2025
See All Example Sentences for ribosome
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.
Literary Hub, 28 Oct. 2025
For Glass, an obvious red line is for scientists to refrain from making a mirror ribosome, a biological machine found in a cell’s cytoplasm that makes proteins.
—Katie Hunt, CNN Money, 17 Oct. 2025
This helical strand of molecules allows for information contained in DNA in the nucleus of cells to be delivered to ribosomes where protein synthesis can occur.
—Joshua P. Cohen, Forbes.com, 2 Sep. 2025
Acting like a factory assembly line, the ribosome then links amino acids together, one by one, to build a protein.
—Neetika Walter, Interesting Engineering, 29 Aug. 2025
See All Example Sentences for ribosome
Cite this Entry
“Ribosome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ribosome. Accessed 4 Nov. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share