MO

English Dictionary -> Letter M -> MO

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MO Definition

• (n) a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
• (n) a midwestern state in central United States; a border state during the American Civil War, Missouri was admitted to the Confederacy without actually seceding from the Union

MO Synonyms

• atomic number 42
• Missouri
• MO
• molybdenum
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