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Definition of 3M from the Oxford Advanced Learner's Dictionary

3M

 
/ˌθriː ˈem/
 
/ˌθriː ˈem/
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  1. a large US company formerly known as Minnesota Mining and Manufacturing Company. It is best known for its Scotch tape, Scotchgard Fabric Protection and Post-it notes. It produces tens of thousands of products, including household items, electrical equipment and chemicals. The company was established in 1902 and now has offices all over the world.
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