ribosome

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈraɪbəˌsəʊm/US:USA pronunciation: respellingUSA pronunciation: respelling(rī′bə sōm′)


WordReference Random House Unabridged Dictionary of American English © 2025
ri•bo•some  (rī′bə sōm′),USA pronunciation n. [Cell Biol.]
  1. 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. See diag. under cell. 
  • ribo(se) + -some3 1955–60
ri′bo•so′mal, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
ribosome / ˈraɪbəˌsəʊm/
  1. 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
Etymology: 20th Century: from ribo( nucleic acid) + -some3ˌriboˈsomal
'ribosome' also found in these entries (note: many are not synonyms or translations):
monosome - polyribosome - ribosomal RNA - transfer RNA - translation

Forum discussions with the word(s) "ribosome" in the title:


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