ribosome
[ rahy-buh-sohm ]
/ ˈraɪ bəˌsoʊm /
noun Cell Biology.
a tiny, somewhat mitten-shaped organelle occurring in great numbers in the cell cytoplasm either freely, in small clusters, or attached to the outer surfaces of endoplasmic reticula, and functioning as the site of protein manufacture.
OTHER WORDS FROM ribosome
ri·bo·so·mal, adjectiveWords nearby ribosome
ribonucleotide,
ribose,
ribose 5-phosphate isomerase,
riboso,
ribosomal rna,
ribosome,
ribosuria,
ribosyl,
ribozo,
ribozyme,
ribwort
British Dictionary definitions for ribosome
ribosome
/ (ˈraɪbəˌsəʊm) /
noun
any of numerous minute particles in the cytoplasm of cells, either free or attached to the endoplasmic reticulum, that contain RNA and protein and are the site of protein synthesis
Derived forms of ribosome
ribosomal, adjectiveWord Origin for ribosome
C20: from
ribo (
nucleic acid) +
-some ³
Medical definitions for ribosome
ribosome
[ rī′bə-sōm′ ]
n.
A minute round cytoplasmic particle composed of RNA and protein that is the site of protein synthesis as directed by mRNA.
Other words from ribosome
ri′bo•so′mal (-sō′məl) adj.Scientific definitions for ribosome
ribosome
[ rī′bə-sōm′ ]
A sphere-shaped structure within the cytoplasm of a cell that is composed of RNA and protein and is the site of protein synthesis. Ribosomes are free in the cytoplasm and often attached to the membrane of the endoplasmic reticulum. Ribosomes exist in both eukaryotic and prokaryotic cells. Plastids and mitochondria in eukaryotic cells have smaller ribosomes similar to those of prokaryotes. See more at cell.