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.

Origin of ribosome

First recorded in 1955–60; ribo(se) + -some³

OTHER WORDS FROM ribosome

ri·bo·so·mal, adjective

Words nearby ribosome

ribonucleotide, ribose, ribose 5-phosphate isomerase, riboso, ribosomal RNA, ribosome, ribosuria, ribosyl, ribozo, ribozyme, rib roast

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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, adjective

Word Origin for ribosome

C20: from ribo (nucleic acid) + -some ³

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for ribosome

ribosome

[ (reye-buh-sohm) ]

A small, ball-like structure in the cell, made of proteins and RNA molecules, that serves as a platform on which the cell's proteins are made.

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.

单词	ribosome
释义	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. Origin of ribosome First recorded in 1955–60; ribo(se) + -some³ OTHER WORDS FROM ribosome ri·bo·so·mal, adjective Words nearby ribosome ribonucleotide, ribose, ribose 5-phosphate isomerase, riboso, ribosomal RNA, ribosome, ribosuria, ribosyl, ribozo, ribozyme, rib roast Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 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, adjective Word Origin for ribosome C20: from ribo (nucleic acid) + -some ³ Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for ribosome ribosome [ (reye-buh-sohm) ] A small, ball-like structure in the cell, made of proteins and RNA molecules, that serves as a platform on which the cell's proteins are made. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. 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. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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