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mir

1 American  
[meer, myeer] / mɪər, myir /

noun

Russian.

plural

miri
  1. a village commune of peasant farmers in prerevolutionary Russia.


MIr. 2 American  
Or M.Ir.

abbreviation

  1. Middle Irish.


Mir 1 British  
/ mɪə /

noun

  1. the Russian (formerly Soviet) manned space station launched in February 1986 and scuttled in 2001

"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

mir 2 British  
/ mir /

noun

  1. a peasant commune in prerevolutionary Russia

"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

Etymology

Origin of Mir1

C20: Russian: peace

Origin of mir2

literally: world

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

MiR-93 is a small RNA molecule found in liver cells that controls the activity of certain genes.

From Science Daily

Their analysis showed that miR-93 drives fat buildup, inflammation, and scarring in the liver by suppressing SIRT1, a gene that plays a key role in managing fat metabolism inside liver cells.

From Science Daily

The researchers then screened 150 FDA-approved drugs to see if any could reduce miR-93 levels.

From Science Daily

In mice treated with niacin, miR-93 levels dropped sharply, while SIRT1 activity increased.

From Science Daily

The researchers discovered that levels of miR-93 are unusually high in both people with fatty liver disease and in animal models.

From Science Daily