MN
Học thuậtThân thiện
Definition
Proper noun:
- Minnesota: A state in the Midwestern region of the United States of America. Its official postal abbreviation is MN.
Noun (Symbol: Mn):
- Manganese: A hard, brittle, silvery-grey metallic element. It is polyvalent, resembles iron but is not magnetic, is used primarily in making steel, and occurs naturally in many minerals.
Usage Examples
Proper noun (Minnesota):
- I will be traveling to MN for a conference next month.
- The address should include the state abbreviation MN.
Noun (Manganese):
- Steel production requires the addition of Mn to improve strength.
- The chemical symbol for manganese is Mn.
Advanced Usage
- In technical contexts: "Mn" is universally recognized as the chemical symbol for manganese in chemistry, metallurgy, and materials science.
- The alloy's composition is listed as Fe-1.5% Mn-0.5% C.
- In formal addressing: "MN" is the standard two-letter code used by the United States Postal Service (USPS) for the state of Minnesota.
- Please mail the package to: Minneapolis, MN 55401.
Variants and Related Words
- Minnesota (n): The full name of the U.S. state abbreviated as MN.
- Manganese (n): The full name of the chemical element with the symbol Mn.
- Manganic (adj): Relating to or containing manganese, especially in a higher valence state.
- Manganous (adj): Relating to or containing manganese, especially in a lower valence state.
Synonyms
- For MN (Minnesota): The North Star State, Gopher State (both are official nicknames).
- For Mn (Manganese): Element 25 (referring to its atomic number).
Related Phrases
- In chemistry/industry:
- Mn content: Refers to the amount of manganese present in a substance.
- The ore has a high Mn content.
- Mn alloy: An alloy containing manganese.
- Aluminum-Mn alloys are common.
Noun
- a midwestern state
- a hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals