microsome

noun

mi·​cro·​some ˈmī-krə-ˌsōm How to pronounce microsome (audio)
1
: any of various minute cellular structures
2
: a particle in a particulate fraction that is obtained by heavy centrifugation of broken cells and consists of various amounts of ribosomes, fragmented endoplasmic reticulum, and mitochondrial cristae
microsomal
ˌmī-krə-ˈsō-məl How to pronounce microsome (audio)
adjective

Word History

Etymology

International Scientific Vocabulary

First Known Use

1881, in the meaning defined at sense 1

Time Traveler
The first known use of microsome was in 1881

Dictionary Entries Near microsome

microsomatous

microsome

Microsorex

See More Nearby Entries 

Cite this Entry

“Microsome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microsome. Accessed 28 Nov. 2024.

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Medical Definition

microsome

noun
mi·​cro·​some ˈmī-krə-ˌsōm How to pronounce microsome (audio)
1
: any of various minute cellular structures (as a ribosome)
2
: a particle in a particulate fraction that is obtained by heavy centrifugation of broken cells and consists of various amounts of ribosomes, fragmented endoplasmic reticulum, and mitochondrial cristae
microsomal
ˌmī-krə-ˈsō-məl How to pronounce microsome (audio)
adjective

More from Merriam-Webster on microsome

Britannica.com: Encyclopedia article about microsome

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